{"title":"Facet Rough \u0026 Crystals","description":"","products":[{"product_id":"czochralski-pulled-lab-created-blue-sapphire-facet-rough","title":"Blue Sapphire Rough, Czochralski Grown Sapphire Crystals","description":"\u003cp\u003eThese are lab created Czochralski pulled blue sapphire facet rough.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eWe finally got some blue sapphire! While sapphire is commonly used in some scientific applications, usually it is either pink (titanium laser sapphire) or colorless (for high end durable screens)--we've previously found a small amount of industrial blue likely used for high medical filter lenses, but this newer stock was likely grown for use in ultra high end solid sapphire watch cases.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThese stones were produced by Czochralski pulling, which is a more expensive method which results in crystals with the extreme chemical purity and structural perfection needed for scientific applications. For the faceter one huge benefit (aside from generally superior quality) is the even color produced by this method, as opposed to the uneven, heavily zoned coloration of cheap blue flame fusion sapphires, allowing for much greater freedom in cutting and a better final product.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Under 1g Blue (crumb)","offer_id":47762699845920,"sku":"Rough_BlueSapph_Crumb","price":8.0,"currency_code":"USD","in_stock":false},{"title":"1-2g Dark Blue","offer_id":47762699878688,"sku":"Rough_BlueSapph_1","price":22.0,"currency_code":"USD","in_stock":false},{"title":"2-3g Dark Blue","offer_id":48247109288224,"sku":"Rough_BlueSapph_2","price":37.0,"currency_code":"USD","in_stock":true},{"title":"3-4g Dark Blue","offer_id":48247109320992,"sku":"Rough_BlueSapph_3","price":52.0,"currency_code":"USD","in_stock":true},{"title":"4-5g Dark Blue","offer_id":48247109353760,"sku":"Rough_BlueSapph_4","price":67.0,"currency_code":"USD","in_stock":true},{"title":"5-6g Dark Blue","offer_id":48247109386528,"sku":"Rough_BlueSapph_5","price":82.0,"currency_code":"USD","in_stock":true},{"title":"6-7g Dark Blue","offer_id":48247109419296,"sku":"Rough_BlueSapph_6","price":97.0,"currency_code":"USD","in_stock":true},{"title":"7-8g Dark Blue","offer_id":48247109452064,"sku":"Rough_BlueSapph_7","price":112.0,"currency_code":"USD","in_stock":true},{"title":"8-9g Dark Blue","offer_id":48247109484832,"sku":"Rough_BlueSapph_9","price":127.0,"currency_code":"USD","in_stock":true},{"title":"9-10g Dark Blue","offer_id":49968826679584,"sku":"Rough_BlueSapph_8","price":142.0,"currency_code":"USD","in_stock":true},{"title":"10-11g Dark Blue","offer_id":49968826712352,"sku":"Rough_BlueSapph_10","price":157.0,"currency_code":"USD","in_stock":false},{"title":"11-12g Dark Blue","offer_id":49968826745120,"sku":"Rough_BlueSapph_11","price":172.0,"currency_code":"USD","in_stock":false},{"title":"12-13g Dark Blue","offer_id":50019822174496,"sku":"Rough_BlueSapph_12","price":187.0,"currency_code":"USD","in_stock":false},{"title":"A 9.6g Dark Blue","offer_id":48247109517600,"sku":"Sapph_Blue","price":144.0,"currency_code":"USD","in_stock":false},{"title":"B 10.7g Dark Blue","offer_id":48247109550368,"sku":"Sapph_Blue","price":160.0,"currency_code":"USD","in_stock":false},{"title":"C 19.3g Dark Blue","offer_id":48247109583136,"sku":"Sapph_Blue","price":289.0,"currency_code":"USD","in_stock":false},{"title":"1-1.5g Medium Blue","offer_id":46086601081120,"sku":"Sapph_Blue","price":18.0,"currency_code":"USD","in_stock":false},{"title":"1.5-2g Medium Blue","offer_id":47762440257824,"sku":"Sapph_Blue","price":26.0,"currency_code":"USD","in_stock":false},{"title":"2-2.5g Medium 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Blue","offer_id":47762440454432,"sku":"Sapph_Blue","price":127.0,"currency_code":"USD","in_stock":false},{"title":"Polished Tablet 8-9g Light Blue","offer_id":47762440487200,"sku":"Rough_BlueSapph_Polished_8","price":127.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0065.jpg?v=1713383391"},{"product_id":"optical-sapphire-cores-and-wafers","title":"Optical Sapphire Discs, Cores and Wafers","description":"These are cores and wafers of colorless optical sapphire grown by Rubicon, one of the top US growers of sapphire, and purchased from a factory closing auction.  These are a mixture of rejected material (likely for surface chips or maybe minor optical misalignments) and cores\/wafers that just didn't get used before the factory closed.  These were grown for use in high end optics and as a substrate to grow bespoke computer chips on.  These can of course be faceted as gems and are just extremely cool!  A few have chips and\/or cracks and range in size from small pucks to large rods and cores.","brand":"Turtle's Hoard","offers":[{"title":"Disc 40-60g 5-8mm Thick 2in\/50mm Diameter","offer_id":48449640661280,"sku":"Sapphire_Core","price":30.0,"currency_code":"USD","in_stock":false},{"title":"Disc 60-100g 8-10mm Thick 2in\/50mm diameter","offer_id":46271973097760,"sku":"Sapphire_Core","price":40.0,"currency_code":"USD","in_stock":false},{"title":"Core 100-200g 2in\/50mm diameter","offer_id":46271973130528,"sku":"Sapphire_Core_100","price":55.0,"currency_code":"USD","in_stock":false},{"title":"Core 200-300g 2in\/50mm diameter","offer_id":46271973196064,"sku":"Sapphire_Core_200","price":105.0,"currency_code":"USD","in_stock":true},{"title":"Core 300-400g 2in\/50mm diameter","offer_id":46271973228832,"sku":"Sapphire_Core_300","price":120.0,"currency_code":"USD","in_stock":true},{"title":"Core 400-500g 2in\/50mm diameter","offer_id":46271973261600,"sku":"Sapphire_Core_400","price":210.0,"currency_code":"USD","in_stock":true},{"title":"2850g Giant Sapphire Core 4.5in\/115mm diameter 69mm thick","offer_id":46271973425440,"sku":"Sapphire_Core","price":1600.0,"currency_code":"USD","in_stock":false},{"title":"580-590g Rods 1.4in\/37mm diameter 135-150mm long","offer_id":46271973294368,"sku":"Sapphire_Core","price":650.0,"currency_code":"USD","in_stock":false},{"title":"1640g Rod 2in\/50mm diameter 190mm long","offer_id":46271973327136,"sku":"Sapphire_Core","price":950.0,"currency_code":"USD","in_stock":false},{"title":"40g Wafer 3.3in\/84.5mm diameter 1.6-1.8mm","offer_id":46271973359904,"sku":"Sapphire_Wafer","price":30.0,"currency_code":"USD","in_stock":false},{"title":"80g Wafer 3.3in\/84.5mm diameter 3.6mm","offer_id":46271973392672,"sku":"Sapphire_Wafer","price":60.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/front4.jpg?v=1697522886"},{"product_id":"sparkly-lab-sapphire-ceramic-pucks","title":"Sparkly Lab Sapphire Ceramic Pucks","description":"These are pucks and rods of sapphire ceramic which were grown as feedstock for growing optical grade sapphire crystals.  They are essentially polycrystalline lab sapphire--the multi-step growth allows for greater purity which is essential for making ultra high end industrial sapphire.  It is mostly composed of interlocked crystals of microscopic sapphire, which gives it is exceptionally strong sparkliness.  If you want larger quantities drop me a line!","brand":"Turtle's Hoard","offers":[{"title":"1 Puck Sparkly Sapphire Ceramic 48mm diameter 10-20mm thick","offer_id":46332549792032,"sku":"Sapphire_Ceramic_Small_Puck","price":10.0,"currency_code":"USD","in_stock":true},{"title":"10 Pucks Sparkly Sapphire Ceramic 48mm dia 10-20mm thick","offer_id":46332977774880,"sku":"Sapphire_Ceramic_Small_Puck_x10","price":50.0,"currency_code":"USD","in_stock":false},{"title":"1 Long Rod Sparkly Sapphire Ceramic 52mm dia 90mm long","offer_id":46332977807648,"sku":"Sapphire_Ceramic_Tall_Sparkle","price":25.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/20230820_170150.jpg?v=1697522856"},{"product_id":"titanium-laser-sapphire-facet-rough-lab-created","title":"Titanium Laser Sapphire Facet Rough Lab Created Crystals","description":"\u003cp\u003eThese are pieces of pulled titanium sapphire, an unusual variety of sapphire grown for use in lasers with a padparascha-like orange-pink color (also called Ti:Sapphire or just Ti:Sapph). The stones are each labelled with their letter and weight and can be purchased individually.\u003c\/p\u003e\n\u003cp\u003eLooking for something with a deeper color? \u003ca href=\"https:\/\/store.turtleshoard.com\/products\/deep-color-titanium-laser-sapphire-facet-rough-lab-created-crystals-padparadscha\" title=\"vivid pink titanium sapphire\" rel=\"noopener\" target=\"_blank\"\u003eClick here for dark pink titanium sapphire\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eWant a big piece? \u003ca href=\"https:\/\/store.turtleshoard.com\/products\/titanium-laser-sapphire-shards-chunks-and-display-pieces\" title=\"Bubbly Titanium Sapphire Chunks and Specimens\"\u003eClick here for titanium sapphire chunks and specimens!\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eThis is a very unusual variety of sapphire, colored solely by titanium. This is never found in nature or even in cheap flame fusion sapphire because it requires extreme chemical purity--even a hint of iron mixed in will result in a deep blue color. When it is made just right, however, the result is a bright, sort of padparascha-like pink color which shifts between a starburst pink and a more pink-orange depending on the lighting. We were able to get some leftover offcuts from a laser crystal grower--these were not produced for the gem trade but they make for incredible gems.\u003cbr\u003e\u003cbr\u003eThe color of these pieces varies because the rind has a darker slightly orange-red color which fades into a Starburst-pink color in the center. This gives a nice range of options. Some stones have a thin black rind which will need to be ground off, but it is very thin and tends to have the richest color right beneath it.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc under 1g (shard)","offer_id":50835112329504,"sku":"Rgh_TiSaph_Shard","price":8.0,"currency_code":"USD","in_stock":false},{"title":"1pc 1-2g","offer_id":48711863599392,"sku":"Rgh_TiSaph_1g","price":22.0,"currency_code":"USD","in_stock":true},{"title":"1pc 2-3g","offer_id":48711863632160,"sku":"Rgh_TiSaph_2g","price":37.0,"currency_code":"USD","in_stock":true},{"title":"1pc 3-4g","offer_id":48711863664928,"sku":"Rgh_TiSaph_3g","price":52.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g","offer_id":48711863697696,"sku":"Rgh_TiSaph_4g","price":67.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":48711863730464,"sku":"Rgh_TiSaph_5g","price":92.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":48711863763232,"sku":"Rgh_TiSaph_6g","price":107.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7-8g","offer_id":48711863796000,"sku":"Rgh_TiSaph_7g","price":122.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8-9g","offer_id":48711863828768,"sku":"Rgh_TiSaph_8g","price":137.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9-10g","offer_id":48711863861536,"sku":"Rgh_TiSaph_9g","price":152.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10-11g","offer_id":48711863894304,"sku":"Rgh_TiSaph_10g","price":167.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6.9g","offer_id":50835133366560,"sku":"Rgh_TiSaph_001","price":90.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8g","offer_id":50835133333792,"sku":"Rgh_TiSaph_002","price":128.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9g","offer_id":50835133301024,"sku":"Rgh_TiSaph_003","price":144.0,"currency_code":"USD","in_stock":true},{"title":"1pc 12.1g","offer_id":50835123175712,"sku":"Rgh_TiSaph_004","price":193.0,"currency_code":"USD","in_stock":true},{"title":"1pc 12.7g","offer_id":50835133399328,"sku":"Rgh_TiSaph_005","price":203.0,"currency_code":"USD","in_stock":true},{"title":"1pc 12.8g","offer_id":50835133432096,"sku":"Rgh_TiSaph_006","price":204.0,"currency_code":"USD","in_stock":true},{"title":"1pc 13g","offer_id":50835133464864,"sku":"Rgh_TiSaph_007","price":208.0,"currency_code":"USD","in_stock":true},{"title":"1pc 13.5g","offer_id":50835133497632,"sku":"Rgh_TiSaph_008","price":216.0,"currency_code":"USD","in_stock":true},{"title":"1pc 13.7g","offer_id":50835133530400,"sku":"Rgh_TiSaph_009","price":219.0,"currency_code":"USD","in_stock":true},{"title":"1pc 15g","offer_id":50835133563168,"sku":"Rgh_TiSaph_010","price":240.0,"currency_code":"USD","in_stock":true},{"title":"1pc 15.2g","offer_id":50835123208480,"sku":"Rgh_TiSaph_011","price":243.0,"currency_code":"USD","in_stock":true},{"title":"1pc 15.6g","offer_id":50835123241248,"sku":"Rgh_TiSaph_012","price":249.0,"currency_code":"USD","in_stock":true},{"title":"1pc 16.0g","offer_id":50835123274016,"sku":"Rgh_TiSaph_013","price":256.0,"currency_code":"USD","in_stock":true},{"title":"1pc 16.7g","offer_id":50835133595936,"sku":"Rgh_TiSaph_014","price":267.0,"currency_code":"USD","in_stock":true},{"title":"1pc 17.6g","offer_id":50835133628704,"sku":"Rgh_TiSaph_015","price":281.0,"currency_code":"USD","in_stock":false},{"title":"1pc 18.8g","offer_id":50835123306784,"sku":"Rgh_TiSaph_016","price":300.0,"currency_code":"USD","in_stock":true},{"title":"1pc 19g","offer_id":50835133661472,"sku":"Rgh_TiSaph_017","price":304.0,"currency_code":"USD","in_stock":true},{"title":"1pc 34.7g","offer_id":50835133694240,"sku":"Rgh_TiSaph_018","price":485.0,"currency_code":"USD","in_stock":true},{"title":"1pc 42g","offer_id":50835133727008,"sku":"Rgh_TiSaph_019","price":588.0,"currency_code":"USD","in_stock":true},{"title":"1pc 44.g","offer_id":50835133759776,"sku":"Rgh_TiSaph_020","price":616.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0053.jpg?v=1692898115"},{"product_id":"luag-lumogarnet-facet-rough-neon-green","title":"LuAG Lumogarnet Facet Rough Neon Green","description":"\u003cp\u003eThese are lab-created LuAG (Lutetium Aluminum Garnet) facet rough.  Each is labelled with its gram weight and letter in the photo and they can be purchased individually.\u003c\/p\u003e\n\u003cp\u003eLuAG facets similarly to YAG (Yttrium Aluminum Garnet) - ie: pretty much perfectly and easily without much complaint. It has a hardness of 8.5 and no durability issues. It has very good optical properties with an RI of 1.83, just slightly better than yag. It fluoresces even more powerfully than Ce:YAG, with an intense yellow-green color. Even normal room lights will make it fluoresce, and outdoors with indirect sunlight can make it look like it is photoshopped into real life. It is just a great material overall. The faceted gems cut from this material are guaranteed to catch the eye!\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc under 1g (crumb)","offer_id":47043678339360,"sku":"Rough_LuAG_Crumb","price":10.0,"currency_code":"USD","in_stock":false},{"title":"1pc 1-2g","offer_id":47043678372128,"sku":"Rough_LuAG_1","price":36.0,"currency_code":"USD","in_stock":false},{"title":"1pc 2-3g","offer_id":47043678470432,"sku":"Rough_LuAG_2","price":48.0,"currency_code":"USD","in_stock":false},{"title":"1pc 3-4g","offer_id":47043678503200,"sku":"Rough_LuAG_3","price":64.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g","offer_id":47043678535968,"sku":"Rough_LuAG_4","price":80.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":47043678568736,"sku":"Rough_LuAG_5","price":96.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":47043678601504,"sku":"Rough_LuAG_6","price":112.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7-8g","offer_id":48362178052384,"sku":"Rough_LuAG_7","price":128.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8-9g","offer_id":48362178085152,"sku":"Rough_LuAG_8","price":144.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9-10g","offer_id":48362178117920,"sku":"Rough_LuAG_9","price":160.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10-11g","offer_id":48362178150688,"sku":"Rough_LuAG_10","price":176.0,"currency_code":"USD","in_stock":true},{"title":"1pc 11-12g","offer_id":48362185851168,"sku":"Rough_LuAG_11","price":192.0,"currency_code":"USD","in_stock":true},{"title":"1pc 12-13g","offer_id":49966093041952,"sku":"Rough_LuAG_12","price":208.0,"currency_code":"USD","in_stock":false},{"title":"1pc 13-14g","offer_id":49966093074720,"sku":"Rough_LuAG_13","price":224.0,"currency_code":"USD","in_stock":false},{"title":"A 8.1g","offer_id":48149684945184,"sku":"LuAG_Ce","price":121.0,"currency_code":"USD","in_stock":false},{"title":"B 15g","offer_id":48149684977952,"sku":"LuAG_Ce","price":225.0,"currency_code":"USD","in_stock":false},{"title":"C 15.4g","offer_id":48149685010720,"sku":"LuAG_Ce","price":231.0,"currency_code":"USD","in_stock":false},{"title":"D 16.7g","offer_id":48149685043488,"sku":"LuAG_Ce","price":250.0,"currency_code":"USD","in_stock":false},{"title":"E 17.3g","offer_id":48149685076256,"sku":"LuAG_Ce","price":259.0,"currency_code":"USD","in_stock":false},{"title":"F 21.3g","offer_id":48149685109024,"sku":"LuAG_Ce","price":319.0,"currency_code":"USD","in_stock":false},{"title":"G 21.8g","offer_id":48149685141792,"sku":"LuAG_Ce","price":237.0,"currency_code":"USD","in_stock":false},{"title":"H 23.7g","offer_id":48149685174560,"sku":"LuAG_Ce","price":355.0,"currency_code":"USD","in_stock":false},{"title":"I 38.2g","offer_id":48149685207328,"sku":"LuAG_Ce","price":588.0,"currency_code":"USD","in_stock":false},{"title":"J 41.7g","offer_id":48149685240096,"sku":"LuAG_Ce","price":625.0,"currency_code":"USD","in_stock":false},{"title":"K 46.9g","offer_id":48149685272864,"sku":"LuAG_Ce","price":703.0,"currency_code":"USD","in_stock":false},{"title":"L 49g","offer_id":48149685305632,"sku":"LuAG_Ce","price":735.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0083.jpg?v=1714429075"},{"product_id":"gagg-lumogarnet-facet-rough-neon-yellow","title":"GAGG Lumogarnet Facet Rough Neon Yellow (Day Glow Fluorescence, Slight Phosphorescence)","description":"\u003cp\u003eThese are lab-created GAGG (Gadolinium Aluminum Gallium Garnet) crystal facet rough. Each piece is marked with its letter and weight and you select which one to purchase.\u003cbr\u003e\u003cbr\u003eCerium GAGG is a brand new crystal as far as gems go--it only entered industrial usage in 2014, and we just introduced it to the gem market last year. It is what we call a 'lumogarnet' - an exotic lab-created garnet with incredible fluorescence.\u003c\/p\u003e\n\u003cp\u003eLike Ce:YAG and LuAG GAGG is used as a scintillator, a crystal grown for its insanely strong fluorescence.  It is used to help detect invisible radiation by absorbing it and converting it to easily-detected visible light--gamma rays and x-rays will activate its glow in addition to UV and even normal blue light.\u003c\/p\u003e\n\u003cp\u003eProperties-wise this material is like an upgraded version of the classic GGG crossed with an aluminum garnet (like YAG and LuAG) to give it excellent hardness (8) while maintaining a high RI (1.9) and generally excellent gem properties. This material has very bright fluorescence, and like Ce:YAG and LuAG it is used as a scintillator to help detect invisible radiation.\u003cbr\u003e\u003cbr\u003eThese stones also have some phosphorescence! How much and how long it glows varies, and these stones have a weaker afterglow (aka 'quick phosphoresence'), not super bright or long lasting but still very cool and noticeable in a dark room.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc under 1g (Crumb)","offer_id":47043638853920,"sku":"Rough_GAGG_Crumb","price":8.0,"currency_code":"USD","in_stock":false},{"title":"1pc 1-2g","offer_id":47043638886688,"sku":"Rough_GAGG_1","price":24.0,"currency_code":"USD","in_stock":false},{"title":"1pc 2-3g","offer_id":47043638952224,"sku":"Rough_GAGG_2","price":39.0,"currency_code":"USD","in_stock":false},{"title":"1pc 3-4g","offer_id":47043638984992,"sku":"Rough_GAGG_3","price":54.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g","offer_id":47043639017760,"sku":"Rough_GAGG_4","price":69.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":47043687874848,"sku":"Rough_GAGG_5","price":84.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":47043687907616,"sku":"Rough_GAGG_6","price":99.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7-8g","offer_id":47043687940384,"sku":"Rough_GAGG_7","price":114.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8-9g","offer_id":48951147168032,"sku":"Rough_GAGG_8","price":129.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9-10g","offer_id":48951147200800,"sku":"Rough_GAGG_9","price":144.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10-11g","offer_id":49966099300640,"sku":"Rough_GAGG_10","price":159.0,"currency_code":"USD","in_stock":true},{"title":"1pc 11-12g","offer_id":49966099333408,"sku":"Rough_GAGG_11","price":174.0,"currency_code":"USD","in_stock":true},{"title":"1pc 12-13g","offer_id":49966099366176,"sku":"Rough_GAGG_12","price":189.0,"currency_code":"USD","in_stock":false},{"title":"A 3.2g","offer_id":46444092948768,"sku":"GAGG","price":48.0,"currency_code":"USD","in_stock":false},{"title":"B 4.1g","offer_id":46444236669216,"sku":"GAGG","price":61.0,"currency_code":"USD","in_stock":false},{"title":"C 8.2g","offer_id":46444236701984,"sku":"GAGG","price":123.0,"currency_code":"USD","in_stock":false},{"title":"D 8.3g","offer_id":46444236734752,"sku":"GAGG","price":124.0,"currency_code":"USD","in_stock":false},{"title":"E 8.5g","offer_id":46444236767520,"sku":"GAGG","price":127.0,"currency_code":"USD","in_stock":false},{"title":"F 8.7g","offer_id":46444236800288,"sku":"GAGG","price":130.0,"currency_code":"USD","in_stock":false},{"title":"G 9g","offer_id":46444236833056,"sku":"GAGG","price":135.0,"currency_code":"USD","in_stock":false},{"title":"H 9g","offer_id":46444236865824,"sku":"GAGG","price":135.0,"currency_code":"USD","in_stock":false},{"title":"I 9.6g","offer_id":46444236898592,"sku":"GAGG","price":144.0,"currency_code":"USD","in_stock":false},{"title":"J 10g","offer_id":46444236931360,"sku":"GAGG","price":150.0,"currency_code":"USD","in_stock":false},{"title":"K 13.5g","offer_id":46444236964128,"sku":"GAGG","price":202.0,"currency_code":"USD","in_stock":false},{"title":"L 15.2g","offer_id":46444236996896,"sku":"GAGG","price":228.0,"currency_code":"USD","in_stock":false},{"title":"M 31.2g","offer_id":46444237259040,"sku":"GAGG","price":468.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0029_9f2e6c9e-81ac-463c-8959-3919315012b4.jpg?v=1692907841"},{"product_id":"f35-fighter-jet-window-sapphire-rough-chunks","title":"F-35 Fighter Jet Window Sapphire Facet Rough and Shards (F35 Gem)","description":"\u003cp\u003e\u003cspan\u003eThese are chunks of lab created sapphire which were grown for use as sensor windows in the F35 fighter jet but didn't meet spec.  These pieces may have cracks or bubbles and may also show light pink coloration.  A couple pieces still have some of the molybdenum crucible attached.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTHESE CAN BE SHARP!  HANDLE WITH CARE!!!!\u003c\/p\u003e\n\u003cp\u003eThis is a really cool material--lab sapphire grown for windows on the F35!  These aren't used on the cockpit but on a sensor array right below.  There are numerous sensors on the bottom of an F35 that allow for a 365 degree view in a wide spectral range.  With the incredible accelerations and speed that have to be withstood an ultra hard, ultra durable material like sapphire is needed.  But how do you make giant, flat sheets of sapphire?  Normally you'd cut windows out of a big round boule grown by HEM or \u003cspan class=\"ZNx93QP1XNrBdT5MI6SY\"\u003e\u003cspan class=\"expandableItem\"\u003eKyropoulos \u003c\/span\u003e\u003c\/span\u003ebut the shape really isn't conducive to larger flat shapes.\u003c\/p\u003e\n\u003cp\u003eTo solve this problem Rubicon, at the time one of the nation's greatest sapphire growing companies, got a \u003ca href=\"https:\/\/legacy.www.sbir.gov\/node\/396757\" rel=\"noopener\" target=\"_blank\"\u003emultimillion dollar grant\u003c\/a\u003e to develop the LANCE furnace, an ultra high tech crystal growing machine that grows the world's largest flat sapphires via the \"boat\" method aka HDSM.  If you've ever been to a Quiznos think of the ovens with a conveyer belt they use to toast subs evenly--it's basically that but with a giant flat pan of molten, crystallizing sapphire.\u003c\/p\u003e\n\u003cp\u003eThough the LANCE is absolutely incredible (we got to see it in person and meet the head crystal grower!!) it didn't have a 100% success rate, and over time the company built up a pile of defective sapphire crystals that had either been contaminated with titanium (which turns them pink and ruins UV transmission), developed bubbles, shattered during growth or usually all three.  They recently closed their factory in Chicago and auctioned off the contents, and we were able to \u003ca href=\"https:\/\/www.tiktok.com\/@gemsofscience\/video\/7261683592386989358\" rel=\"noopener\" target=\"_blank\"\u003evisit it in person\u003c\/a\u003e and buy the entire pile of defective crystals!  It was a dream come true!\u003c\/p\u003e\n\u003cp\u003eBecause some of the crystals were already shattered I've been able to start \u003ca href=\"https:\/\/www.tiktok.com\/@gemsofscience\/video\/7275452816066465067\" rel=\"noopener\" target=\"_blank\"\u003epulling one of them apart \u003c\/a\u003eto get more manageable pieces.  These pieces can be sharp, and often have cool crystallization features on the surface as well.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"F-35 Rough under 1g","offer_id":51401901441312,"sku":"Rgh_F35_Sub1g","price":15.0,"currency_code":"USD","in_stock":true},{"title":"F-35 Rough 1-2g","offer_id":51401901474080,"sku":"Rgh_F35_1g","price":23.0,"currency_code":"USD","in_stock":true},{"title":"F-35 Rough 2-3g","offer_id":51401901506848,"sku":"Rgh_F35_2g","price":39.0,"currency_code":"USD","in_stock":true},{"title":"F-35 Rough 3-4g","offer_id":51401901539616,"sku":"Rgh_F35_3g","price":57.0,"currency_code":"USD","in_stock":true},{"title":"F-35 Rough 4-5g","offer_id":51401901572384,"sku":"Rgh_F35_4g","price":75.0,"currency_code":"USD","in_stock":true},{"title":"F-35 Rough 5-6g","offer_id":51401901605152,"sku":"Rgh_F35_5g","price":95.0,"currency_code":"USD","in_stock":true},{"title":"F-35 Rough 6-7g","offer_id":51401901637920,"sku":"Rgh_F35_6g","price":115.0,"currency_code":"USD","in_stock":true},{"title":"F-35 Rough 7-8g","offer_id":51401901670688,"sku":"Rgh_F35_7g","price":137.0,"currency_code":"USD","in_stock":true},{"title":"F-35 Rough 8-9g","offer_id":51401901703456,"sku":"Rgh_F35_8g","price":159.0,"currency_code":"USD","in_stock":false},{"title":"F-35 Rough 9-10g","offer_id":51401901736224,"sku":"Rgh_F35_9g","price":183.0,"currency_code":"USD","in_stock":true},{"title":"F-35 Rough 10-11g","offer_id":51401901768992,"sku":"Rgh_F35_10g","price":207.0,"currency_code":"USD","in_stock":true},{"title":"Facet Rough 11-12g","offer_id":49113061523744,"sku":"Rgh_F35_11g","price":230.0,"currency_code":"USD","in_stock":false},{"title":"Facet Rough 12-13g","offer_id":49113061556512,"sku":"Rgh_F35_12g","price":250.0,"currency_code":"USD","in_stock":false},{"title":"Facet Rough 13-14g","offer_id":49113061589280,"sku":"Rgh_F35_13g","price":270.0,"currency_code":"USD","in_stock":false},{"title":"F-35 Rough, 11.4g","offer_id":51401901801760,"sku":"Rgh_F35_0012026","price":228.0,"currency_code":"USD","in_stock":true},{"title":"F-35 Rough, 14.6g","offer_id":51401901834528,"sku":"Rgh_F35_0022026","price":292.0,"currency_code":"USD","in_stock":true},{"title":"F-35 Rough, 16.2g","offer_id":51401901867296,"sku":"Rgh_F35_0032026","price":324.0,"currency_code":"USD","in_stock":true},{"title":"F-35 Rough, 17.6g","offer_id":51401901900064,"sku":"Rgh_F35_0042026","price":352.0,"currency_code":"USD","in_stock":true},{"title":"F-35 Rough, 26.6g","offer_id":51401901932832,"sku":"Rgh_F35_0052026","price":532.0,"currency_code":"USD","in_stock":true},{"title":"F-35 Rough, 26.8g","offer_id":51401901965600,"sku":"Rgh_F35_0062026","price":536.0,"currency_code":"USD","in_stock":true},{"title":"F-35 Rough, 32.8g","offer_id":51401901998368,"sku":"Rgh_F35_0072026","price":656.0,"currency_code":"USD","in_stock":true},{"title":"F-35 Rough, 158g","offer_id":51401902031136,"sku":"Rgh_F35_0082026","price":1560.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0043_c8f87775-7d15-4be3-bff6-aa393c9f94f1.jpg?v=1724692900"},{"product_id":"pink-laser-garnet-facet-rough-nd-ce-yag","title":"Pink Laser Garnet Facet Rough, Nd+Ce YAG","description":"\u003cp\u003eThese are lab created purple-pink to peach laser garnet facet rough.  Smaller pieces can be purchased by weight range and larger pieces are labelled with their gram weight and letter in the photo and they can be purchased individually.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThis is a very cool gem, a type of lab-created garnet grown for use in lasers, Neodymium+Cerium YAG (Yttrium Aluminum Garnet).  It has the same structure as a natural garnet but a composition which could never occur in nature, allowing it to have a higher hardness (8.25) and greater brilliance.  This a next-gen version of the old classic Nd:YAG, adding additional cerium as a booster.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eYAG with neodymium has long been used as a laser material, and that basic formula makes a pink to purple stone which turns colorless under fluorescent illumination. These stones, however, are a more refined variety, with other metals such as cerium added to make the laser more powerful. The result is a much more interesting color which varies from purple to pink to peach, color shifts under sunlight and different temperature LEDs and turns light yellow under fluorescent illumination. This gives a very unusual and unique look which has been exciting faceters recently and leading to a lot of comparisons to mahenge or malaya garnets.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eYAG is an excellent material to facet, incredibly easy to cut and polish and with a high hardness of 8.25-8.5, an RI of 1.83 and good dispersion which makes for very lively stones even before the color factors in. It is suitable for use in all kinds of jewelry.\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e0923\u003c\/span\u003e\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc 1-2g","offer_id":46839227875616,"sku":"Rough_YAG_NdCe_1g","price":8.0,"currency_code":"USD","in_stock":false},{"title":"1pc 2-3g","offer_id":46839450992928,"sku":"Rough_YAG_NdCe_2g","price":12.0,"currency_code":"USD","in_stock":true},{"title":"1pc 3-4g","offer_id":46839538385184,"sku":"Rough_YAG_NdCe_3g","price":16.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g","offer_id":46839538417952,"sku":"Rough_YAG_NdCe_4g","price":20.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":46839538450720,"sku":"Rough_YAG_NdCe_5g","price":24.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":50690634809632,"sku":"Rough_YAG_NdCe_6g","price":28.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7-8g","offer_id":50690634842400,"sku":"Rough_YAG_NdCe_7g","price":32.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8-9g","offer_id":50907930034464,"sku":"Rough_YAG_NdCe_8g","price":36.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9-10g","offer_id":50907930067232,"sku":"Rough_YAG_NdCe_9g","price":40.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10-11g","offer_id":50907930100000,"sku":"Rough_YAG_NdCe_10g","price":44.0,"currency_code":"USD","in_stock":false},{"title":"1pc 3.3g","offer_id":50701846216992,"sku":"Rough_YAG_NdCe_001","price":19.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4.3g","offer_id":50701846249760,"sku":"Rough_YAG_NdCe_002","price":25.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4.5g","offer_id":50701846282528,"sku":"Rough_YAG_NdCe_003","price":27.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4.6g","offer_id":50701846315296,"sku":"Rough_YAG_NdCe_004","price":27.0,"currency_code":"USD","in_stock":false},{"title":"1pc 5g","offer_id":50701846348064,"sku":"Rough_YAG_NdCe_005","price":30.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5.5g","offer_id":50701846380832,"sku":"Rough_YAG_NdCe_006","price":33.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6.7g","offer_id":50701846413600,"sku":"Rough_YAG_NdCe_007","price":40.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8.7g","offer_id":50701846446368,"sku":"Rough_YAG_NdCe_008","price":52.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9.8g","offer_id":50701846479136,"sku":"Rough_YAG_NdCe_009","price":58.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9.8g B","offer_id":50701859356960,"sku":"Rough_YAG_NdCe_010","price":58.0,"currency_code":"USD","in_stock":true},{"title":"1pc 11.7g","offer_id":50701846511904,"sku":"Rough_YAG_NdCe_011","price":70.0,"currency_code":"USD","in_stock":false},{"title":"1pc 15.6g","offer_id":50701846544672,"sku":"Rough_YAG_NdCe_012","price":93.0,"currency_code":"USD","in_stock":true},{"title":"1pc 15.9g","offer_id":50701846577440,"sku":"Rough_YAG_NdCe_013","price":95.0,"currency_code":"USD","in_stock":true},{"title":"1pc 16.1g","offer_id":50701846610208,"sku":"Rough_YAG_NdCe_014","price":96.0,"currency_code":"USD","in_stock":true},{"title":"1pc 17.5g","offer_id":50701846642976,"sku":"Rough_YAG_NdCe_015","price":105.0,"currency_code":"USD","in_stock":true},{"title":"1pc 21.1g","offer_id":50701846675744,"sku":"Rough_YAG_NdCe_016","price":126.0,"currency_code":"USD","in_stock":true},{"title":"1pc 23.5g","offer_id":50701846708512,"sku":"Rough_YAG_NdCe_017","price":141.0,"currency_code":"USD","in_stock":true},{"title":"1pc 26.3g","offer_id":50701846741280,"sku":"Rough_YAG_NdCe_018","price":157.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0004_1.jpg?v=1695875124"},{"product_id":"golden-laser-garnet-facet-rough-ce-nd-yag","title":"Golden Laser Garnet Facet Rough, Ce+Nd YAG","description":"\u003cp\u003eThese are lab created golden laser garnet aka Ce+Nd YAG (Yttrium Aluminum Garnet) facet rough.  Smaller pieces can be purchased by weight range and larger pieces are labelled with their gram weight and letter in the photo and they can be purchased individually.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThis is an unusual synthetic material, YAG doped with both Ce and Nd. While Nd YAG is one of the most classic laser materials and has been widely used for numerous applications since the 60s the formula has been tinkered with over the years to optimize it even further. In particular cerium can act as a booster to the neodymium, and depending on the balance and the possible presence of other elements the color varies dramatically. In this version the YAG has actually mostly been doped with Cerium and just a pinch of neodymium.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eCe alone gives YAG an ultra bright yellow color, and Nd alone gives a purple shifting color. Together they give the stone a striking yellow to amber color which shifts between more orange and more yellow from light source to light source. They also show a striking yellow and pink fluorescence. Pink fluorescence like this is a very unusual feature--it only shows up under a blacklight but still makes for an interesting addition to the gem. Some of these stones have zones of pink fluorescence combined with yellow, others just show a brighter yellow.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eYAG has an RI of 1.83, hardness of 8.5 and cuts and polishes very easily. It is ideal for all jewelry applications. This is a great stone for beginners who want an uncomplicated cut or advanced cutters who want to show off their skills.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Sub 1g piece (crumb)","offer_id":48362130833696,"sku":"Rgh_Yag_CeNd_Sub1g","price":5.0,"currency_code":"USD","in_stock":false},{"title":"1pc 1-2g","offer_id":46840031904032,"sku":"Rgh_Yag_CeNd_1g","price":8.0,"currency_code":"USD","in_stock":true},{"title":"1pc 2-3g","offer_id":46840031969568,"sku":"Rgh_Yag_CeNd_2g","price":12.0,"currency_code":"USD","in_stock":true},{"title":"1pc 3-4g","offer_id":46840032002336,"sku":"Rgh_Yag_CeNd_3g","price":18.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g","offer_id":46840032035104,"sku":"Rgh_Yag_CeNd_4g","price":24.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":46840032067872,"sku":"Rgh_Yag_CeNd_5g","price":30.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":46840032100640,"sku":"Rgh_Yag_CeNd_6g","price":36.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7-8g","offer_id":50697610690848,"sku":"Rgh_Yag_CeNd_7g","price":40.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8-9g","offer_id":50697610723616,"sku":"Rgh_Yag_CeNd_8g","price":46.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9-10g","offer_id":50697610756384,"sku":"Rgh_Yag_CeNd_9g","price":52.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10-11g","offer_id":50697610789152,"sku":"Rgh_Yag_CeNd_10g","price":58.0,"currency_code":"USD","in_stock":true},{"title":"1pc 11-12g","offer_id":50697610821920,"sku":"Rgh_Yag_CeNd_11g","price":64.0,"currency_code":"USD","in_stock":true},{"title":"1pc 12-13g","offer_id":50697610854688,"sku":"Rgh_Yag_CeNd_12g","price":70.0,"currency_code":"USD","in_stock":false},{"title":"E 9.2g","offer_id":46840032231712,"sku":"Rgh_Yag_CeNd_001","price":46.0,"currency_code":"USD","in_stock":true},{"title":"L 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Each is labelled with its gram weight and letter in the photo and they can be purchased individually.\u003cbr\u003e\u003cbr\u003eThis one is an odd one--moissanite with striking dichroism! This is likely the result of a mistake during growth where the argon atmosphere was lost and atmospheric nitrogen snuck and an was able to color the crystal partway through growth, though it's also possibly an intentional dopant (color in moissanite is complicated in a similar way to diamond). This gives it a very unique look--when cut the colors may blend to green or remain separate depending on the chosen orientation and cut design.  This is one of my favorite materials to cut and it comes out amazing!\u003cbr\u003e\u003cbr\u003eNote that this is the newer '4H' polytype of moissanite. The crystal structure is different from older '6H' moissanite, which means you don't have the same worries about a yellow discoloration during polishing.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc Rough Under 1g","offer_id":48322596077856,"sku":"Rgh_SiC_Di_Sub1g","price":13.0,"currency_code":"USD","in_stock":false},{"title":"1pc Rough 1-2g","offer_id":47413210808608,"sku":"Rgh_SiC_Di_1g","price":27.0,"currency_code":"USD","in_stock":false},{"title":"1pc Rough 2-3g","offer_id":47413210841376,"sku":"Rgh_SiC_Di_2g","price":42.0,"currency_code":"USD","in_stock":true},{"title":"1pc Rough 3-4g","offer_id":47413210874144,"sku":"Rgh_SiC_Di_3g","price":57.0,"currency_code":"USD","in_stock":true},{"title":"1pc Rough 4-5g","offer_id":47413210906912,"sku":"Rgh_SiC_Di_4g","price":71.0,"currency_code":"USD","in_stock":true},{"title":"1pc Rough 5-6g","offer_id":48149524971808,"sku":"Rgh_SiC_Di_5g","price":85.0,"currency_code":"USD","in_stock":true},{"title":"1pc Rough 6-7g","offer_id":50704395075872,"sku":"Rgh_SiC_Di_6g","price":99.0,"currency_code":"USD","in_stock":true},{"title":"1pc Rough 7-8g","offer_id":51466761863456,"sku":"Rgh_SiC_Di_7g","price":112.0,"currency_code":"USD","in_stock":true},{"title":"Rough, 11.7×11.6×11.4mm, 3.57g","offer_id":51466761896224,"sku":"Rgh_SiC_Di_0012026","price":58.0,"currency_code":"USD","in_stock":true},{"title":"Rough, 13.9×11.6×10.4mm, 4.74g","offer_id":51466761928992,"sku":"Rgh_SiC_Di_0022026","price":74.0,"currency_code":"USD","in_stock":false},{"title":"Damaged Rough, 17.8×11.9×11mm, 6.02g","offer_id":51466761961760,"sku":"Rgh_SiC_Di_0032026","price":74.0,"currency_code":"USD","in_stock":true},{"title":"Rough, 16.8×15.4×11.2mm, 7.5g","offer_id":51466761994528,"sku":"Rgh_SiC_Di_0042026","price":112.0,"currency_code":"USD","in_stock":false},{"title":"Rough, 18.1×16×11mm, 7.74g","offer_id":51466762027296,"sku":"Rgh_SiC_Di_0052026","price":104.0,"currency_code":"USD","in_stock":false},{"title":"Rough, 16.4×14.8×11.4mm, 8.55g","offer_id":51466762060064,"sku":"Rgh_SiC_Di_0062026","price":125.0,"currency_code":"USD","in_stock":false},{"title":"Rough, 17.6×15.4×11.3mm, 8.7g","offer_id":51466762092832,"sku":"Rgh_SiC_Di_0072026","price":127.0,"currency_code":"USD","in_stock":false},{"title":"Rough, 18.5×13.2×11.6mm, 8.73g","offer_id":51466762125600,"sku":"Rgh_SiC_Di_0082026","price":127.0,"currency_code":"USD","in_stock":false},{"title":"Rough, 17.8×15.4×11.5mm, 8.84g","offer_id":51466762158368,"sku":"Rgh_SiC_Di_0092026","price":129.0,"currency_code":"USD","in_stock":false},{"title":"Rough, 23.8×20.5×11.4mm, 11.62g","offer_id":51466762191136,"sku":"Rgh_SiC_Di_0102026","price":166.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/Dichroic_Moissanite_Rough_Title.jpg?v=1775800501"},{"product_id":"smoky-moissanite-facet-rough","title":"Smoky Moissanite Facet Rough","description":"\u003cp\u003eThese are lab created moissanite facet rough with a light smoky golden-grey color similar to smoky quartz--the color looks a bit darker in the rough because sawn faces are more like mirrors than windows thanks to moissanite's ultra-high luster.  Some of these have a dark green edge, but that is very thin and grinds away. These cut very bright, dispersive gems.\u003c\/p\u003e\n\u003cp\u003eNote some gems might have a few fine growth tubes running parallel to the C axis--these are common in moissanite and tend to have low visibility after cutting.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eMoissanite, aka silicon carbide, is often thought of as a diamond stand-in because of its combination of extremely high hardness and surface luster, great color range and overall brilliant sparkle.  However it is also an extremely useful crystal, and these stones were grown for use in computer chips where they act as a durable, heat-resistant replacement for pure silicon.  Fortunately for us they did not quite meet spec and I was able to get them instead and trim them for gem usage.\u003cbr\u003e\u003cbr\u003eNote that this is the newer '4H' polytype of moissanite. The crystal structure has been improved over the older versions, which means you don't have the same worries about a yellow discoloration during polishing.\u003cbr\u003e\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc Under 1g","offer_id":50805885272352,"sku":"Rgh_SiCSmk_Shard","price":6.0,"currency_code":"USD","in_stock":false},{"title":"1pc 1-1.5g","offer_id":49381248270624,"sku":"Rgh_SiCSmk_1g","price":12.0,"currency_code":"USD","in_stock":false},{"title":"1pc 1.5-2g","offer_id":50805885305120,"sku":"Rgh_SiCSmk_1.5g","price":18.0,"currency_code":"USD","in_stock":true},{"title":"1pc 2-3g","offer_id":49381248303392,"sku":"Rgh_SiCSmk_2g","price":30.0,"currency_code":"USD","in_stock":true},{"title":"1pc 3-4g","offer_id":49381248336160,"sku":"Rgh_SiCSmk_3g","price":42.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g","offer_id":49381248368928,"sku":"Rgh_SiCSmk_4g","price":54.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":49381248401696,"sku":"Rgh_SiCSmk_5g","price":66.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":49381248434464,"sku":"Rgh_SiCSmk_6g","price":78.0,"currency_code":"USD","in_stock":false},{"title":"1pc 7-8g","offer_id":49381248500000,"sku":"Rgh_SiCSmk_7g","price":90.0,"currency_code":"USD","in_stock":false},{"title":"1pc 1.59g","offer_id":50805889040672,"sku":"Rgh_SiCSmk_001","price":19.0,"currency_code":"USD","in_stock":true},{"title":"1pc 1.7g","offer_id":50805889007904,"sku":"Rgh_SiCSmk_002","price":20.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6.2g","offer_id":50805889073440,"sku":"Rgh_SiCSmk_003","price":74.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7g","offer_id":50805889237280,"sku":"Rgh_SiCSmk_004","price":84.0,"currency_code":"USD","in_stock":false},{"title":"1pc 9.2g","offer_id":50805889106208,"sku":"Rgh_SiCSmk_005","price":110.0,"currency_code":"USD","in_stock":true},{"title":"1pc 13.1g","offer_id":50805889204512,"sku":"Rgh_SiCSmk_006","price":150.0,"currency_code":"USD","in_stock":true},{"title":"1pc 13.7g","offer_id":50805889138976,"sku":"Rgh_SiCSmk_007","price":160.0,"currency_code":"USD","in_stock":true},{"title":"1pc 17.9g","offer_id":50805889302816,"sku":"Rgh_SiCSmk_008","price":200.0,"currency_code":"USD","in_stock":true},{"title":"1pc 19.1g","offer_id":50805889171744,"sku":"Rgh_SiCSmk_009","price":220.0,"currency_code":"USD","in_stock":true},{"title":"1pc 22.1g","offer_id":50805889270048,"sku":"Rgh_SiCSmk_010","price":250.0,"currency_code":"USD","in_stock":true},{"title":"1pc 22.5g","offer_id":50805889335584,"sku":"Rgh_SiCSmk_011","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/20230928_180229.jpg?v=1695938841"},{"product_id":"dark-dichroic-green-moissanite-facet-rough","title":"Dark Dichroic Green Moissanite Facet Rough","description":"\u003cp\u003eThese are unusual color changing dichroic green to blue-grey moissanite facet rough. Each is labelled with its gram weight and letter in the photo and they can be purchased individually.\u003cbr\u003e\u003cbr\u003eThis one is an odd variant on our normal dichroic moissanite--as the saturation increases the color actually changes with it, the gold and blue colors blending more to make a striking yellow-green down the C axis and a blue to grey color across the A.  Even weirder these stones have a pronounced color shift, appearing much more golden under warmer lighting and more blue-green under cooler illumination.  When polished you get a weird mix of flashes of blue, grey, green and gold.\u003cbr\u003e\u003cbr\u003eNote that this is the newer '4H' polytype of moissanite. The crystal structure has been improved over the older versions, which means you don't have the same worries about a yellow discoloration during polishing.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc sub 1g (crumb)","offer_id":50697609281824,"sku":"Rgh_Mois_DrkDi_sub1g","price":8.0,"currency_code":"USD","in_stock":true},{"title":"1pc 1-2g","offer_id":50697609314592,"sku":"Rgh_Mois_DrkDi_1g","price":18.0,"currency_code":"USD","in_stock":false},{"title":"1pc 2-3g","offer_id":50697609347360,"sku":"Rgh_Mois_DrkDi_2g","price":30.0,"currency_code":"USD","in_stock":false},{"title":"1pc 3-4g","offer_id":50697609380128,"sku":"Rgh_Mois_DrkDi_3g","price":42.0,"currency_code":"USD","in_stock":false},{"title":"1pc 4-5g","offer_id":50697609412896,"sku":"Rgh_Mois_DrkDi_4g","price":54.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/20230928_181558.jpg?v=1695939632"},{"product_id":"zombie-green-laser-garnet-facet-rough-ce-yag","title":"Zombie Garnet, Green Laser Garnet Facet Rough, Ce+?? 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It is ideal for all jewelry applications. 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Each is labelled with its gram weight and letter in the photo and they can be purchased individually.\u003cbr\u003e\u003cbr\u003eThis is lithium tantalate (LiTaO3), an old rarity of the gem world that is rarely seen today outside of industry. It was briefly used as a diamond simulant and marketed as 'tantalia', but was never very successful- tantalate is much brighter and more dispersive than a diamond,so there was an obvious difference when cut. Faceted lithium tantalate gems give off brilliant rainbows of color, so it's an amazing gem in its own right instead of just trying to imitate diamonds.\u003c\/p\u003e\n\u003cp\u003eNote that LiTAO3's hardness is just under 6, which makes it harder than some other classic diamond simulants (like lithium niobate and strontium titanate) but still soft for a gem, a little softer than tanzanite. It is not a good stone for rings but will work well in lower-wear jewelry like pendants or earrings.\u003c\/p\u003e\n\u003cp\u003eToday lithium tantalate is only grown for scientific and industrial usage--its very unusual optical and electrical properties like piezoelectricity and pyroelectricity make it an incredible material for things like fiber optic networks.  There has even been a fusion reactor designed around it!\u003c\/p\u003e\n\u003cp\u003eNormally lithium tantalate is colorless but this is a special formula with added magnesium which is used for wafers--the magnesium makes it tougher in addition to giving it this rich yellow-orange coloration. The tone shifts a bit from more lemon-yellow to orange-yellow depending on the lighting conditions. 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Each piece is marked with its weight and you select which one to purchase.\u003c\/p\u003e\n\u003cp\u003eNote that, as a particularly defective crystal, some of these pieces will have a few bubbles.  The bubbles tend to correlate with the highest afterglow.\u003c\/p\u003e\n\u003cp\u003eThis is \"Long glow\" or \"high glow\" GAGG--a type of defective GAGG which exhibits a glow-in-the-dark effect.  They work pretty hard to avoid this happening since it makes the crystal useless for its intended purpose (detecting invisible radiation).  However mistakes happen and sometimes a crystal does show this effect.  Each one is a little different because the causes can vary, but this crystal shows a bright but short-lived initial glow which fades to a dimmer but long-lasting glow.  It was visible after at least an hour of sitting on my bedside table in the dark.\u003cbr\u003e\u003cbr\u003eCerium GAGG is brand new as far as gems go--it only entered industrial usage in 2014, and we just introduced it to the gem market last year. It is what we call a 'lumogarnet' - an exotic lab-created garnet with incredible fluorescence. We also call this 'Firefly Garnet'.\u003c\/p\u003e\n\u003cp\u003eLike Ce:YAG and LuAG GAGG is used as a scintillator, a crystal grown for its insanely strong fluorescence.  It is used to help detect invisible radiation by absorbing it and converting it to easily-detected visible light--gamma rays and x-rays will activate its glow in addition to UV and even normal blue light.\u003c\/p\u003e\n\u003cp\u003eProperties-wise this material is like an upgraded version of the classic GGG crossed with an aluminum garnet (like YAG and LuAG) to give it excellent hardness (8) while maintaining a high RI (1.9) and generally excellent gem properties. This material has very bright fluorescence, and like Ce:YAG and LuAG it is used as a scintillator to help detect invisible radiation.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc under 1g (shard)","offer_id":50699619107104,"sku":"Rgh_GAGG_Hi_Shard","price":10.0,"currency_code":"USD","in_stock":false},{"title":"1pc under 1g (crumb)","offer_id":47043631448352,"sku":"Rgh_GAGG_Hi_Crumb","price":15.0,"currency_code":"USD","in_stock":false},{"title":"1pc 1-1.5g","offer_id":50699616059680,"sku":"Rgh_GAGG_Hi_1g","price":50.0,"currency_code":"USD","in_stock":false},{"title":"1pc 1.5-2g","offer_id":50699616092448,"sku":"Rgh_GAGG_Hi_1.5g","price":70.0,"currency_code":"USD","in_stock":false},{"title":"1pc 2-2.5g","offer_id":50699616125216,"sku":"Rgh_GAGG_Hi_2g","price":90.0,"currency_code":"USD","in_stock":true},{"title":"1pc 2.5-3g","offer_id":50699616157984,"sku":"Rgh_GAGG_Hi_2.5g","price":110.0,"currency_code":"USD","in_stock":true},{"title":"1pc 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Christmas garnet gets one of each: the rich green base of an emerald and the strong red fluorescence of a ruby. Depending in the light source, angle and path length you might see the green base color or the red fluorescence at any given point in the stone. The camera overstates the red vs the eye and struggles to capture the green, and in the hand the stone is even cooler than the photos can show. Faceted stones have flashes of green and red and change colors based on lighting and background color. We call them \"christmas garnets\" because of their unique blend of red and green.\u003c\/p\u003e\n\u003cp\u003eThis is one of our most popular materials and cuts amazing gems. Even normal undoped YAG is an amazing material - not only is it easy to cut, but it also has a high hardness (8.25-8.5), a solid RI (1.83), and good dispersion.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc Under 1g (crumb)","offer_id":49968830382368,"sku":"Rough_Xmas_Crumb","price":22.0,"currency_code":"USD","in_stock":true},{"title":"1pc Flat Q Switch Plate (av 1.2 g)","offer_id":49968830415136,"sku":"Rough_Xmas_Plate","price":14.0,"currency_code":"USD","in_stock":true},{"title":"1pc 1-2g","offer_id":47693190070560,"sku":"Rough_Xmas_1","price":22.0,"currency_code":"USD","in_stock":true},{"title":"1pc 2-3g","offer_id":47066853048608,"sku":"Rough_Xmas_2","price":37.0,"currency_code":"USD","in_stock":true},{"title":"1pc 3-4g","offer_id":48023487938848,"sku":"Rough_Xmas_3","price":52.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g","offer_id":48023487971616,"sku":"Rough_Xmas_4","price":67.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":48023488004384,"sku":"Rough_Xmas_5","price":82.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":48023488069920,"sku":"Rough_Xmas_6","price":97.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7-8g","offer_id":48023488102688,"sku":"Rough_Xmas_7","price":112.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8-9g","offer_id":48023488135456,"sku":"Rough_Xmas_8","price":127.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9-10g","offer_id":48023488168224,"sku":"Rough_Xmas_9","price":142.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10-11g","offer_id":49968829661472,"sku":"Rough_Xmas_10","price":157.0,"currency_code":"USD","in_stock":false},{"title":"1pc 11-12g","offer_id":49968829694240,"sku":"Rough_Xmas_11","price":172.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/roughdual.jpg?v=1741565907"},{"product_id":"laser-rod-alexandrite-facet-rough-lab-created-crystals","title":"Laser Rod Alexandrite Facet Rough Lab Created Crystals","description":"\u003cp\u003eThese are genuine, lab-created alexandrite facet rough.  These pieces were sawn from laser rods, either during initial production or refurbishment efforts (don't worry, no laser-grade rods were harmed in the making of this rough!)\u003cbr\u003e\u003cbr\u003eWe recently got our hands on a few decommissioned rods of alexandrite from lasers! These rods likely lived out a full career inside lasers as a crystalline lasing medium, but eventually they were pushed too far or had dust land in the wrong spot and the ends blew off, rendering them inoperable.  In these cases the rods can sometimes be sawn and repolished, leaving pieces that are now usable for gems.  These may have also been removed during the initial production of the laser rods before they were used.  Either way, now they get to live out their retirement as gemstones! While they may have been designed for science they make amazing gems as well. They have a strong color change from blue-green to purple-pink and better yet often show flashes of both in mixed lighting when cut--the camera struggles to capture this, especially the green colors. On top of that they also show rich red fluorescence which affects their color, and the angle of lighting will also cause differences in color because this material is strongly trichroic.\u003cbr\u003e\u003cbr\u003eAlexandrite is the color-changing chromium-bearing variety of chrysoberyl, and it has been a popular gem since the first natural deposits were discovered in Russia. Its high hardness (8.5) and durability make it suitable even for ring wear, and that along with its incredible combination of colors has made it a classic. The only thing holding it back is its rarity. Oddly enough even lab-created alexandrite is quite uncommon. Synthetic alexandrite is mostly grown for industry, where it is used in some particular high-end laser systems, and the process to grow it is very expensive. Very little is produced anymore, and even when it was produced it was uncommon on the gem market. Usually instead lab-created sapphire with a color change effect was sold as alexandrite, but that material really can't hold a candle to alexandrite.\u003cbr\u003e\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"0.5-1g Darker Color 7mm Diameter 4-6mm Long","offer_id":50935620534560,"sku":"Alex_Rod_7_0.5g_D","price":30.0,"currency_code":"USD","in_stock":false},{"title":"0.5-1g Medium Color 7mm Diameter 4-6mm Long","offer_id":50935629316384,"sku":"Alex_Rod_7_0.5g_M","price":30.0,"currency_code":"USD","in_stock":true},{"title":"1-1.5g Lighter Color 7mm Diameter 7-10.5mm long","offer_id":47119914795296,"sku":"Alex_Rod_7_1g_L","price":45.0,"currency_code":"USD","in_stock":true},{"title":"1-1.5g Medium Color 7mm Diameter 7-10.5mm long","offer_id":50935605821728,"sku":"Alex_Rod_7_1g_M","price":45.0,"currency_code":"USD","in_stock":true},{"title":"1-1.5g Darker Color 7mm Diameter 7-10.5mm long","offer_id":50935605854496,"sku":"Alex_Rod_7_1g_D","price":45.0,"currency_code":"USD","in_stock":true},{"title":"1.5-2g 7mm Diameter 10.5-14mm Long","offer_id":50935651860768,"sku":"Alex_Rod_7_1.5g","price":60.0,"currency_code":"USD","in_stock":true},{"title":"2-2.5g 7mm Diameter 14-17.5mm Long","offer_id":50935605887264,"sku":"Alex_Rod_7_2g","price":75.0,"currency_code":"USD","in_stock":true},{"title":"2.5-3g 7mm Diameter 17.5-20mm Long","offer_id":50935629349152,"sku":"Alex_Rod_7_2.5g","price":90.0,"currency_code":"USD","in_stock":true},{"title":"3-3.5g 7mm Diameter 23-24mm Long","offer_id":50935629381920,"sku":"Alex_Rod_7_3g","price":105.0,"currency_code":"USD","in_stock":false},{"title":"3.5-4g 7mm Diameter 26.5-27.5mm Long","offer_id":50935605920032,"sku":"Alex_Rod_7_3.5g","price":120.0,"currency_code":"USD","in_stock":false},{"title":"0.5-1g 8mm Diameter 3.5-5.5mm Long","offer_id":50935651893536,"sku":"Alex_Rod_8_0.5g","price":40.0,"currency_code":"USD","in_stock":true},{"title":"0.5-1g Darker Color 8mm Diameter 3.5-5.5mm Long","offer_id":50935689740576,"sku":"Alex_Rod_8_0.5g_D","price":30.0,"currency_code":"USD","in_stock":true},{"title":"1-1.5g 8mm Diameter 5.5-8mm Long","offer_id":50935689773344,"sku":"Alex_Rod_8_1g","price":45.0,"currency_code":"USD","in_stock":true},{"title":"1.5-2g 8mm Diameter 8-10mm Long","offer_id":50935689806112,"sku":"Alex_Rod_8_1.5g","price":60.0,"currency_code":"USD","in_stock":false},{"title":"2-2.5g 8mm Diameter 10-12mm Long","offer_id":50935689838880,"sku":"Alex_Rod_8_2g","price":75.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/front.png?v=1763412056"},{"product_id":"laser-alexandrite-facet-rough-lab-created-crystals","title":"Laser Alexandrite Facet Rough Lab Created Crystals","description":"\u003cp\u003eThese are genuine, lab-created alexandrite facet rough, either sawn from the unusable parts of crystals grown for laser usage.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThis is a rarity in the gem world, synthetic alexandrite. Alexandrite is the color-changing chromium-bearing variety of chrysoberyl, and it has been a popular gem since the first natural deposits were discovered in Russia. Its high hardness (8.5) and durability, combined with its incredible combination of colors, have made it a classic.  The only limiting factor is its rarity which has kept it more obscure than gems like ruby and sapphire. Even lab-created alexandrite is quite uncommon. Synthetic alexandrite is mostly grown for industry, where it is used in some particular high-end laser systems, and the process to grow it is very expensive. Little is produced anymore, and even when it was produced it was uncommon on the gem market. Usually instead lab-created sapphire with a color change effect was sold as alexandrite, but that material is honestly boring compared to the real deal.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eReal synthetic alexandrite has a range of weird properties. It is trichroic, with three different colors visible depending on how the stone is oriented which also change depending on the lighting. These include green, red, purple and blue, and a well cut stone might show flashes of all of them in the right mix of lights. The material we have is also strongly fluorescent with a red glow which adds on top of the other colors. My camera struggles to capture the color change but it is very striking, even changing between direct sunlight and clouded sunlight.\u003cbr\u003e\u003cbr\u003eAlexandrite is the color-changing chromium-bearing variety of chrysoberyl, and it has been a popular gem since the first natural deposits were discovered in Russia. Its high hardness (8.5) and durability make it suitable even for ring wear, and that along with its incredible combination of colors has made it a classic. The only thing holding it back is its rarity. Oddly enough even lab-created alexandrite is quite uncommon. 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Each can be purchased individually.\u003cbr\u003e\u003cbr\u003eThis is cobalt spinel, one of the most purely colored lab created crystals! While it is sometimes found in nature as a very rare and prized gemstone, cobalt spinel is also valuable in industry. It can act as a q switch in lasers, transforming a continuous firing laser into a powerful pulsed laser which releases its energy in discrete bursts. It has the most vivid blue color you are likely to ever see in a gem--normally materials in this color range are soft like hauyne or water soluble like copper sulfate, but cobalt spinel has a hardness of 8 and is ideal for use in all times of jewelry. We only managed to get a limited amount but we're going to do everything we can to secure a steady supply.\u003cbr\u003e\u003cbr\u003eSynthetic spinel is a pretty familiar material, but the typical, common stuff is grown by the flame fusion method. While this method is very cheap it has some limitations--it can only produce relatively small pieces and the material produced is not precisely the same as natural spinel. As such is not suitable for high end optical applications, where the more advanced and expensive Czochralski pulling method has to be used. The result is a larger boule of much higher quality.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Shred, 11.8×7.8×1mm, 0.18g","offer_id":51424574636320,"sku":"Rgh_CoSpin_00120260404","price":10.0,"currency_code":"USD","in_stock":true},{"title":"Shred, 8.7×6.7×1.7mm, 0.22g","offer_id":51424574669088,"sku":"Rgh_CoSpin_00220260404","price":11.0,"currency_code":"USD","in_stock":true},{"title":"Shred, 11.4×10.8×3.4mm, 0.39g","offer_id":51424574701856,"sku":"Rgh_CoSpin_00320260404","price":16.0,"currency_code":"USD","in_stock":true},{"title":"Thin Triangle, 9.3×8.5×4.5mm, 0.56g","offer_id":51424574734624,"sku":"Rgh_CoSpin_00420260404","price":21.0,"currency_code":"USD","in_stock":true},{"title":"Triangle, 10.3×8×5.1mm, 0.49g","offer_id":51424574767392,"sku":"Rgh_CoSpin_00520260404","price":19.0,"currency_code":"USD","in_stock":true},{"title":"Thin Triangle, 14×7.1×5mm, 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It is clearly doped with Erbium, and like our modern pure Er:YAG it has a striking combination of orange and pink colors and a remarkable color change. Unlike pure Er:YAG it has a stronger pink component, suggesting the addition of another dopant like Nd, and the color is also somewhat lighter as well. Most of the material was grown via HDSM aka the 'boat method', though a few pieces were clearly czochralski pulled. From doing further reading we learned that the inventor of the HDSM method was a soviet scientist and was working on erbium yag laser material in the 80s. Codoping Nd and Er can produce a laser with a dual wavelength output as well, so that was likely the reason they grew it.  We even have a good guess as to why this material didn't make the cut--aside from the variable base color some larger pieces show noticeable color zoning which means the codopants were not evenly mixed, which is not great if you want to make a laser.\u003cbr\u003e\u003cbr\u003eOverall, it's a really cool material, and while I'm sure they were frustrated by the production problems their loss is our gain. This cuts amazing gems with a rich peachy-pink color-changing padparascha-like color. It also isn't one of those color changes that you might kind of see if you use a special flashlight or a lighter flame--the change is easily visible under real world lighting conditions and the stones look different throughout your daily routine.\u003cbr\u003e\u003cbr\u003eYAG in general is an ideal material for faceting, which a high hardness of 8.5, no cleavage, no problems with polishing and excellent optical properties with an RI of 1.82. 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Each is labelled with its gram weight and photographed individually\u003c\/p\u003e\n\u003cp\u003eBeryl is one of the most classic gem families but it turns out it is rather difficult to grow in the lab.  It can't be made by flame fusion or pulling methods, leaving the flux (slow and expensive and poisonous) and hydrothermal (slow and expensive and potentially explosive) methods.  Still, it compensates for that with its incredible range of colors, providing the gems emerald, morganite, aquamarine, heliodor and red beryl.\u003c\/p\u003e\n\u003cp\u003eThis one is a bit unusual for us since it wasn't grown for science--these are old vintage crystals that were grown in Russia for gem usage.  However, I will note that occasionally lasers are made using an emerald crystal rod.  The papers always have justifications about it being a good crystal matrix to hold chromium--but I suspect it has more to do with scientists proving that they can.\u003c\/p\u003e\n\u003cp\u003eAs hydrothermal growth is 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It is valued in science for its highly unusual electrooptical and piezoelectric properties which allow it to be used in nonlinear optics and for acousto-optical modulation. It has exceptionally good normal optical properties too, with an RI of 2.55 and dispersion of 0.221(!! diamond is only 0.04) giving it incredible brilliance and fire.  On top of that this BGO-20 has an incredibly high density of 9.2, about 80% of metallic lead(!!!!). It's overall a super cool synthetic very rarely seen in the gem world.  Note it does have a relatively low hardness of 4.5.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc 1-2g","offer_id":48183377428768,"sku":"Rgh_BGO20_1g","price":22.0,"currency_code":"USD","in_stock":false},{"title":"1pc 2-3g","offer_id":48183377461536,"sku":"Rgh_BGO20_2g","price":37.0,"currency_code":"USD","in_stock":false},{"title":"1pc 3-4g","offer_id":48183377494304,"sku":"Rgh_BGO20_3g","price":52.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g","offer_id":48183377527072,"sku":"Rgh_BGO20_4g","price":67.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":48183377559840,"sku":"Rgh_BGO20_5g","price":82.0,"currency_code":"USD","in_stock":false},{"title":"1pc 6-7g","offer_id":48183377592608,"sku":"Rgh_BGO20_6g","price":97.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8.1g","offer_id":48183432839456,"sku":"Rgh_BGO20_001","price":121.0,"currency_code":"USD","in_stock":false},{"title":"1pc 10.4g","offer_id":48183432872224,"sku":"Rgh_BGO20_002","price":156.0,"currency_code":"USD","in_stock":false},{"title":"1pc 15.4g","offer_id":48183432937760,"sku":"Rgh_BGO20_003","price":210.0,"currency_code":"USD","in_stock":true},{"title":"1pc 16.3g","offer_id":48183432970528,"sku":"Rgh_BGO20_004","price":230.0,"currency_code":"USD","in_stock":true},{"title":"1pc 17.5g","offer_id":48183433003296,"sku":"Rgh_BGO20_005","price":250.0,"currency_code":"USD","in_stock":true},{"title":"1pc 58.5g","offer_id":48183433036064,"sku":"Rgh_BGO20_006","price":480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/20240414_023908.jpg?v=1713076965"},{"product_id":"colorless-yag-garnet-facet-rough","title":"Colorless YAG Garnet Facet Rough","description":"\u003cp\u003eThese are lab created colorless YAG garnet facet rough.  Smaller pieces can be purchased by weight range and larger pieces are labelled with their gram weight and letter in the photo and they can be purchased individually.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThis is a very cool gem, a type of lab-created garnet grown for use in scientific applications, YAG (Yttrium Aluminum Garnet).  It has the same structure as a natural garnet but a composition which could never occur in nature, allowing it to have a higher hardness (8.25) and greater brilliance.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eYAG is an ideal crystal for scientific applications: it is hard, durable, relatively easy to grow and can be doped with a wide variety of ions to give it a wide variety of properties.  It is widely used as a laser and scintillator crystal but also in more niche applications like optics.  I am not sure what this material was grown for--it is colorless and either undoped or doped with something that does not affect the color.  Nevertheless it serves as a bright and beautiful gem which was once used as a stand-in for diamond.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eYAG is an excellent material to facet, incredibly easy to cut and polish and with a high hardness of 8.25-8.5, an RI of 1.83 and good dispersion which makes for very lively stones even before the color factors in. It is suitable for use in all kinds of jewelry.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc under 1g (crumb)","offer_id":48209838899488,"sku":"Rgh_YAG_Clr_Shard","price":4.0,"currency_code":"USD","in_stock":false},{"title":"1pc 1-2g","offer_id":48209850368288,"sku":"Rgh_YAG_Clr_1g","price":7.0,"currency_code":"USD","in_stock":false},{"title":"1pc 2-3g","offer_id":48209838932256,"sku":"Rgh_YAG_Clr_2g","price":10.0,"currency_code":"USD","in_stock":false},{"title":"1pc 3-4g","offer_id":48209838965024,"sku":"Rgh_YAG_Clr_3g","price":14.0,"currency_code":"USD","in_stock":false},{"title":"1pc 4-5g","offer_id":48209838997792,"sku":"Rgh_YAG_Clr_4g","price":18.0,"currency_code":"USD","in_stock":false},{"title":"1pc 5-6g","offer_id":48209852563744,"sku":"Rgh_YAG_Clr_5g","price":22.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":48209852596512,"sku":"Rgh_YAG_Clr_6g","price":26.0,"currency_code":"USD","in_stock":false},{"title":"1pc 7g","offer_id":48209898340640,"sku":"Rgh_YAG_Clr_001","price":28.0,"currency_code":"USD","in_stock":false},{"title":"1pc 7.1g","offer_id":48209898373408,"sku":"Rgh_YAG_Clr_002","price":28.0,"currency_code":"USD","in_stock":false},{"title":"1pc 7.5g","offer_id":48209898406176,"sku":"Rgh_YAG_Clr_003","price":30.0,"currency_code":"USD","in_stock":false},{"title":"1pc 7.6g","offer_id":48209898471712,"sku":"Rgh_YAG_Clr_004","price":30.0,"currency_code":"USD","in_stock":false},{"title":"1pc 7.9g","offer_id":48209898504480,"sku":"Rgh_YAG_Clr_005","price":31.0,"currency_code":"USD","in_stock":false},{"title":"1pc 9g","offer_id":48209898537248,"sku":"Rgh_YAG_Clr_006","price":36.0,"currency_code":"USD","in_stock":false},{"title":"1pc 9.5g","offer_id":48209898570016,"sku":"Rgh_YAG_Clr_007","price":38.0,"currency_code":"USD","in_stock":false},{"title":"1pc 15.1g","offer_id":48209898602784,"sku":"Rgh_YAG_Clr_008","price":60.0,"currency_code":"USD","in_stock":false},{"title":"1pc 26.9g","offer_id":48209898635552,"sku":"Rgh_YAG_Clr_009","price":107.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0025_023920f7-6030-440d-a09f-157f3acdd012.jpg?v=1713211392"},{"product_id":"green-laser-garnet-facet-rough-cth-laser-yag-rich-pure-green","title":"Pure Deep Green Laser Garnet Facet Rough, CTH Laser YAG","description":"\u003cp\u003eThese are lab created CTH YAG (Chromium-Thulium-Holmium:Yttrium Aluminum Garnet) facet rough, showing a deep pure green color, in contrast to the lighter vivid green of vanadium YAG.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a classic laser gem, CTH YAG. Like normal Cr YAG (aka Christmas Garnet) it has a super rich green base color, but the addition of . This means the base color does not have to compete with a red glow and comes out even richer and purer, easily matching and exceeding any other green gem I have seen in color (and I don't say that lightly!).  It also has excellent brilliance, and with a hardness of 8.5 is great for use in all kinds of jewelry.\u003c\/p\u003e\n\u003cp\u003eCTH YAG is used in far infrared lasers for a variety of purposes including medical procedures and meteorological measurements.  Fortunately for us though it was designed for science when they grow crystals there are areas that are unusable, and we were able to get these offcuts to be reborn as gemstones.\u003c\/p\u003e\n\u003cp\u003eYAG is an amazing material for faceting - not only is it easy to cut, but it also has a high hardness (8.25-8.5), a solid RI (1.83), and good dispersion.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc under 1g (crumb)","offer_id":48209952637216,"sku":"RGH_YAG_CTH_crumb","price":22.0,"currency_code":"USD","in_stock":false},{"title":"1pc 1-2g","offer_id":48209920819488,"sku":"RGH_YAG_CTH_1g","price":22.0,"currency_code":"USD","in_stock":true},{"title":"1pc 2-3g","offer_id":48209920852256,"sku":"RGH_YAG_CTH_2g","price":37.0,"currency_code":"USD","in_stock":true},{"title":"1pc 3-4g","offer_id":48209920885024,"sku":"RGH_YAG_CTH_3g","price":52.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g","offer_id":48209920917792,"sku":"RGH_YAG_CTH_4g","price":67.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":48209920950560,"sku":"RGH_YAG_CTH_5g","price":82.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":48209920983328,"sku":"RGH_YAG_CTH_6g","price":97.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7-8g","offer_id":48209921016096,"sku":"RGH_YAG_CTH_7g","price":112.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8-9g","offer_id":48209921048864,"sku":"RGH_YAG_CTH_8g","price":127.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9-10g","offer_id":48209921081632,"sku":"RGH_YAG_CTH_9g","price":142.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10-11g","offer_id":49030555894048,"sku":"RGH_YAG_CTH_10g","price":157.0,"currency_code":"USD","in_stock":true},{"title":"B 1.8g","offer_id":48209977671968,"sku":"YAG_CTH","price":27.0,"currency_code":"USD","in_stock":false},{"title":"1pc 12g","offer_id":49742921859360,"sku":"YAG_CTH","price":180.0,"currency_code":"USD","in_stock":false},{"title":"K 21g","offer_id":48209977999648,"sku":"YAG_CTH","price":315.0,"currency_code":"USD","in_stock":false},{"title":"L 53.5g","offer_id":48209978032416,"sku":"YAG_CTH","price":700.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0009_940bec19-6a98-47d1-8ea2-a9d869f14e36.jpg?v=1713211840"},{"product_id":"golden-laser-garnet-rods-nd-ce-yag","title":"YAG Laser Rods, Failed, Decommissioned or Offcuts","description":"\u003cp\u003eThese are partial and complete laser rods in a variety of different types of YAG (yttrium aluminum garnet), including pink and golden laser garnet ( Ce+Nd) and green laser garnet (CTH:YAG and Er+Cr:YSGG).  Some are offcuts that didn't quite make it into final production or usage, others are decommissioned rods that lived a full career in a laser.\u003c\/p\u003e\n\u003cp\u003eThese laser rods were meant for use in solid state lasers.  They would have had light pumped into them from the side, either by a lamp or by another laser, absorbed that energy and converted it into the powerful coherent beam that lasers are known for.\u003c\/p\u003e\n\u003cp\u003eNeodymium makes YAG a versatile laser crystal, and Nd YAG lasers are the most versatile and widely-used. While the original Nd YAG lasers only added Nd it was soon discovered that Ce could act as a booster to its power. This means that depending on the application you might see crystals that only have Nd or ones that are almost entirely Ce with just a pinch of Nd.  Pure Nd gives a color shifting purple-pink color while pure Ce gives a rich fluorescent yellow color--when the two are mixed you get an unusual pink, peach or golden yellow color depending on proportions that shifts depending on the lighting.  These stones also show unusual dual fluorescence, with a mix of bright yellow and pink under shortwave UV and yellow-green under both blue light and shortwave UV.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eCTH YAG is used in far infrared lasers for a variety of purposes including medical procedures and meteorological measurements.  \u003c\/span\u003eLike normal Cr YAG (aka Christmas Garnet) it has a super rich green base color, but the addition of thulium quenches the fluorescence, allowing it to be absorbed by the holmium instead of released as red light. This means the base color does not have to compete with a red glow and comes out even richer and purer, giving it a very rich and vivid color.  Some of these are rods with polished ends, others are square and likely rod blanks (? or maybe just square rods).\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Green CTH YAG Rod 3.9mm diameter 130-150mm Long","offer_id":48362271605024,"sku":"Rod_CTH_3.9_130","price":48.0,"currency_code":"USD","in_stock":true},{"title":"Green CTH YAG Square rod 4.4mm 130-150mm Long","offer_id":48362283630880,"sku":"Rod_CTH_Sq_4.4_130","price":55.0,"currency_code":"USD","in_stock":true},{"title":"Pink Rod Segment 6-7mm Diameter Under 10mm Long Matte Finish","offer_id":50535697121568,"sku":"Rod_NdYAG_6_Sub10_M","price":5.0,"currency_code":"USD","in_stock":true},{"title":"Pink Rod Segment 6-7mm Diameter 10-20mm Long Matte Finish","offer_id":50239683461408,"sku":"Rod_NdYAG_6_10_M","price":8.0,"currency_code":"USD","in_stock":true},{"title":"Pink Rod Segment 6-7mm Diameter 20-30mm Long Matte Finish","offer_id":50239683494176,"sku":"Rod_NdYAG_6_20_M","price":12.0,"currency_code":"USD","in_stock":true},{"title":"Pink Rod Segment 6-7mm Diameter 30-40mm Long Matte Finish","offer_id":50239683526944,"sku":"Rod_NdYAG_6_30_M","price":18.0,"currency_code":"USD","in_stock":true},{"title":"Pink Rod Segment 6-7mm Diameter 40-50mm Long Matte Finish","offer_id":50239683559712,"sku":"Rod_NdYAG_6_40_M","price":24.0,"currency_code":"USD","in_stock":true},{"title":"Pink Rod Segment 6-7mm Diameter 50-60mm Long Matte Finish","offer_id":50239683592480,"sku":"Rod_NdYAG_6_50_M","price":30.0,"currency_code":"USD","in_stock":true},{"title":"Golden Rod Segment 5.9-7mm Diameter 15-22mm Long","offer_id":48210041798944,"sku":"Rod_CeNdYAG_5.9_15","price":25.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/20240429_162415.jpg?v=1714430062"},{"product_id":"bgo12-bismuth-germanate-facet-rough","title":"BGO12 Bismuth Germanate Facet Rough","description":"\u003cp\u003eThese are BGO-12 aka Bismuth Germanate facet rough.\u003c\/p\u003e\n\u003cp\u003eThis is a real cool rarity in the gem world. Bismuth Germanate (in this case, specifically Bi3Ge4O12 aka evlitine) is valued as an optical substrate because of its highly unusual electrooptical properties. It has exceptionally good optical properties too, with (as far as we can tell the literature is weak) an RI of 2.15 and dispersion of 0.1. Cut stones are incredibly beautiful with high brilliance and incredible play of color. Its only real downside is its hardness of 5 and brittleness, requiring extra care in cutting. Note it also has a high density of 7.1. It's overall a super cool synthetic very rarely seen in the gem world.\u003cbr\u003e\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc 1-2g","offer_id":48210496028960,"sku":"Rgh_bgo12_1g","price":22.0,"currency_code":"USD","in_stock":true},{"title":"1pc 2-3g","offer_id":48210496061728,"sku":"Rgh_bgo12_2g","price":37.0,"currency_code":"USD","in_stock":true},{"title":"1pc 3-4g","offer_id":48210496094496,"sku":"Rgh_bgo12_3g","price":52.0,"currency_code":"USD","in_stock":true},{"title":"1pc 4-5g","offer_id":48210496127264,"sku":"Rgh_bgo12_4g","price":67.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":48210496160032,"sku":"Rgh_bgo12_5g","price":82.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":48210496192800,"sku":"Rgh_bgo12_6g","price":97.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7-8g","offer_id":48210512183584,"sku":"Rgh_bgo12_7g","price":120.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0098.jpg?v=1713222036"},{"product_id":"orange-pink-lithium-niobate-facet-rough-erbium-linobate-lab-created","title":"Orange Pink Lithium Niobate Facet Rough, Erbium Linobate Lab Created","description":"\u003cp\u003eThis listing is for facet rough of lab created orange-pink lithium niobate. Each piece is labelled with its gram weight and letter in the photo and they can be purchased individually.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis is erbium-doped lithium niobate, a rare laser crystal which has been used in new breakthrough on-chip lasers.  The erbium allows it to act as a far infrared laser crystal but also gives it a gorgeous pink-to-orange color changing base color as well as strong green fluorescence.  Cut stones may have a green cast in direct lighting, and should otherwise resemble a pink diamond(!)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eLithium niobate (LiNbO3) is an unusual crystal with very interesting properties.  Colorless lithium niobate was once popular as a diamond simulant but it really isn't that good of one simply because it's much brighter and more dispersive than a diamond, with an RI of 2.3 and a dispersion of 0.13 (vs 0.044 for diamond--dispersion measures its ability to split white light into a rainbow).  That means cut stones give of brilliant rainbows of color, and it makes for an amazing gem in its own right for those reasons.\u003c\/p\u003e\n\u003cp\u003eNote its hardness is around 5 so LN is not a good stone for rings but is fine for lower-wear jewelry like pendants.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"1pc 1-2g","offer_id":50596173709600,"sku":"Rgh_LnEr_1","price":18.0,"currency_code":"USD","in_stock":false},{"title":"1pc 2-3g","offer_id":50596173742368,"sku":"Rgh_LnEr_2","price":30.0,"currency_code":"USD","in_stock":false},{"title":"1pc 3-4g","offer_id":48494768292128,"sku":"Rgh_LnEr_3","price":42.0,"currency_code":"USD","in_stock":false},{"title":"1pc 4-5g","offer_id":48494808858912,"sku":"Rgh_LnEr_4","price":54.0,"currency_code":"USD","in_stock":true},{"title":"1pc 5-6g","offer_id":48494808891680,"sku":"Rgh_LnEr_5","price":66.0,"currency_code":"USD","in_stock":true},{"title":"1pc 6-7g","offer_id":48494808924448,"sku":"Rgh_LnEr_6","price":78.0,"currency_code":"USD","in_stock":true},{"title":"1pc 7-8g","offer_id":48494808957216,"sku":"Rgh_LnEr_7","price":90.0,"currency_code":"USD","in_stock":true},{"title":"1pc 8-9g","offer_id":48494808989984,"sku":"Rgh_LnEr_8","price":102.0,"currency_code":"USD","in_stock":true},{"title":"1pc 9-10g","offer_id":50596176363808,"sku":"Rgh_LnEr_9","price":114.0,"currency_code":"USD","in_stock":true},{"title":"1pc 10-11g","offer_id":50596176396576,"sku":"Rgh_LnEr_10","price":126.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/erlinobatefluocopy.jpg?v=1715912500"},{"product_id":"select-dice-facet-rough","title":"Select Dice Facet Rough","description":"\u003cp\u003eThese are select pieces of rough hand picked to make incredible dice.  They are large blocky pieces of some of our best materials!  Cutting dice takes a lot of time and effort--you might as well start with something special.\u003c\/p\u003e\n\u003cp\u003eI have also added two options for smaller 'starter' dice rough:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite IRCM sapphire cylinders \u003c\/strong\u003eThese are approximately 20 mm long slices from longer sapphire rods which were intended to go into infrared countermeasures against heatseeking missiles (IRCM) back in the cold war. Dice made from these will be bright and durable (and might help you on your saving throw against fireball)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGolden laser garnet boule tips (Ce+Nd:YAG)\u003c\/strong\u003e.  These are nice conical preforms, from the ends of crystals grown for use in lasers. Cutting these pieces is an easy way to start making dice, and they would also be good for cutting exceptionally large round cuts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe also have large pieces of rough which are photographed and described individually and can be purchased from the drop down menu.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePink Nd+Ce:YAG Boule Top\u003c\/strong\u003e.  These crystals are grown for use in laser rods, but the tops concentrate impurities and can't be used for technical purposes.  This also gives them a unique range of colors including zones of purple, pink and peach--this one has a very rare blue zone at the top!  The tops are also very well shaped for cutting dice, almost a preform for a D20.  It has dull red fluorescence.  There are is one visible bubble in the very center.   It measures 38mm in diameter and 53mm long and weighs in at 153g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGolden Ce+Nd:YAG Boule Top \u003c\/strong\u003e--it is a lot like the first stone but with a lot of cerium and just a little neodymium, which gives it a gorgeous golden yellow color which shifts between different lighting.  It has a light yellow fluorescence with a small spot of pink.  I haven't spotted any bubbles in this one but these boule tops often have some at the very center that are hard to see. It measures 37mm in diameter at the widest point, 54mm long and weighs in at 165g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHyperfluorescent LuAG\u003c\/strong\u003e!  This garnet is grown for its incredible green fluorescence which is used in detecting invisible radiation.  It is also a wonderful gem with a high hardness of 8.5 and good durability.  It is legendary material and should cut a D20 that will look like pure crystallized magic.  The small 16.4g piece measures 15x12.7x12.6mm.  The medium 66g piece measures 24.7x22.8x22mm.  The large 132g piece measures 33x30x27mm and has a few long, very thin bubbles at the top and some tiny ones in a line in the center which should add some interest to the interior of the die.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDayglow GAGG\u003c\/strong\u003e: Like LuAG this lab created garnet is grown for its incredible glow and it really shows--not many gems can compete with this color!  This one has several bubbles and a few healed cracks but should hold together during cutting.  The stone measures about 21 x 20 x 19mm and weighs in at 54g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaser Alexandrite\u003c\/strong\u003e: An amazing material grown mostly for medical lasers, lab alexandrite is very uncommon and difficult to get even for us.  The centers of the boules pretty universally have a ring of bubbles, which this die blank contains and should add an amazing galaxy-like sparkle to the finished stone.  The color is impossible to get on camera, mostly cranberry red but with purple and blue.  This will be a truly one-of-a-kind D20.  It weighs 70.6g and measures about 35x23.6x23mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAqua Color Yb:YAG\u003c\/strong\u003e. This material was also grown for use in lasers, and it has a light aqua-blue color.  This should cut a very bright and brilliant gem!  It weighs in at 75g and measures 29 x 30 x 27mm.\u003c\/li\u003e\n\u003cli\u003e'\u003cstrong\u003ePhantom YAG\u003c\/strong\u003e':  An unusual material that occurs from contamination at the edges of HDSM boules of laser YAG.  I don't know exactly what colors it, but it has a beautiful striped platinum grey color and strong pink fluorescence.  The smaller piece weighs in at 34g and measures 23.5x18.5x17.5mm.  The larger piece piece measures about 39.5x24x24mm and weighs in at 76g and has bubbles on one edge which can be removed in preforming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab grown laser ruby\u003c\/strong\u003e: This is a piece of a large crystal that cracked apart during growth and thus didn't meet spec.  It is very fluorescent with a vivid hot pink color. It is an irregular but chunky piece that will need some preforming but should yield an incredible die.  It has one minor fracture but otherwise seems to be totally clean.  This one will be unbelievable!  It weighs 58g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRich Red Lab Ruby\u003c\/strong\u003e: This ruby was probably being grown for ultra high end watches or some other technical application but cracked during growth.  It's a vivid slightly purplish red, has incredible fluorescence and is totally clean.  The shape is a little irregular but it will make an unbelievable D20.  It weighs in at 82g and measures about 31x28x28mm.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlue Lab Cobalt Quartz\u003c\/strong\u003e: This is vintage Russian lab created cobalt-doped quartz from the old Alexandrov lab.  This material has an incredibly vivid blue color!   They have a colorless seed plate running through the middle but will still make an incredible die.  The 81g piece measures 37x30x28mm and the 86g piece measures 38x30x29mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRutile\u003c\/strong\u003e:\u003cstrong\u003e \u003c\/strong\u003eThis next stone is incredibly special and I doubt we'll ever have many of these: a solid chunk of lab created rutile.  Rutile has by far the highest dispersion of any gemstone worth the name which means it splits light into its component spectrum.  This piece is perfectly clear, gemmy and should cut the brightest, most vibrant D20 ever.  It weighs in at 65g and measures 27 x 27 x 23mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDichroic moissanite\u003c\/strong\u003e:  This stone is blue through the sides and golden yellow down the length--once cut the golden color will be much lighter as it currently has a dark cap on the end.  The blue also gets more vivid--the frosted faces make it look greyer than it is.  Moissanite is very hard and eats through cutting laps so make sure you have extras!  It also likes to heat up during prepolish so dop and cut with care.  The end results are worth it though!  It's the hardest gem that can feasibly be cut into a die and it is more brilliant than a diamond, and the dichroic nature should make it incredible when rolled.  This stone has a few bubbles and needles.  It measures 28x26x25mm and weighs in at 57g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDark dichroic moissanite\u003c\/strong\u003e:  This stone a darker variant of dichroic moissanite, with flashes of green and gold.  This stone has a few bubbles and needles.  It measures about 27.6x26x23.7mm and weighs in at 51g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePadparadscha-colored titanium laser sapphire\u003c\/strong\u003e: This material is grown for use in powerful infrared lasers and has a beautiful orange-pink color that resembles natural padparadscha sapphires.  It has some bubbles which have a bit of directional sparkle when they catch the light.  It weighs in at 129g and measures about 48 x 38 x 35mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoviet Laser Garnet\u003c\/strong\u003e: Pink-orange experimental laser garnet grown in the Soviet Union.  This material is YAG with both Er and Nd, likely grown in an attempt to make a dual wavelength laser.  The color shifts from pink to orange and often looks golden on camera for some reason.  This stone measures 23x21x19mm and weighs in at 45g--it is totally clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDinosaur Bone\u003c\/strong\u003e: This one is a bit unusual for us, but still a Gem of Science: dino gem bone (don't worry - incomplete bone pieces like this aren't palentologically interesting)! This is an actual fossilized dinosaur bone where the structures have been preserved in agate, yielding an amazing and unique gem.  They even show detailed structures under a microscope!  This material has some voids and requires extra care in cutting, but should yield an unbelievable one-of-a-kind D20.  It also has a single stray saw mark that should come out in preforming.  It weighs 74g and measures about 38x30x28mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep Green Laser Garnet (CTH:YAG): \u003c\/strong\u003eThis garnet is grown for use in far infrared lasers, and has a deep, pure emerald green color with no fluorescence.  This one measures 30x38mm and weighs in at 81g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChristmas Garnet (Cr:YAG): \u003c\/strong\u003eThis garnet is grown for use as a Q switch in lasers and has a rich green base color and strong red fluorescence.  This one measures 30x38mm and weighs in at 81g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGolden Lab Wakefieldite: \u003c\/strong\u003eMaybe the ultimate challenge in dice cutting with the biggest payoff!  Wakefieldite is soft (mohs 5) and has two directions of perfect cleavage: polishing a big die would be very hard and you would have to be very careful rolling it.  But it's also one of the most brilliant and fiery gems there is, with cut stones actually resembling rutile.  So not for the faint of heart but likely to be a showstopper!  The clean section of this crystal measures about 29x28x26mm, the top will need to be ground through or trimmed off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural Topaz: \u003c\/strong\u003eA big crystal of natural topaz, ready to make an amazing D20!  The 99g piece has a light brown color and measures about 45.8x36.5x31.7mm, a couple of fractures right at the surface that should cut out, the middle looks fairly clean.  The 158g piece measures 43x41x39mm.  This piece has a few inclusions but they seem to be concentrated on the edges.  Color is a light peach\/blue bicolor, should cut amazingly bright.  \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural Andamooka Matrix Opal: \u003c\/strong\u003eBig chunks of natural opal in matrix from Andamooka, Australia!  These are in a limestone matrix with bright streaks of opal fillings cracks.  They are tan out of the ground and have to be treated to get a darker background, typically by soaking in a sugar solution and then exposing it to sulfuric acid which carbonizes the sugar.  This treatment goes into the stone--these pieces were trimmed from a large piece of rough and still show the darker base color throughout though with streaks of white.  This material is porous and may give an extra challenge in polishing but should make for incredible dice!  these were photographed damp.  The 51g piece measures 39x29x29mm and the 53g piece measures 29x28x28mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you don't see what you're after for your die just drop me a line!\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"LuAG, 15.2x12.9x12.8mm, 16.4g","offer_id":51414070231328,"sku":"Rgh_Dice_00120260402","price":250.0,"currency_code":"USD","in_stock":false},{"title":"White Sapphire Rod for Infrared Countermeasures (IRCM), 21.8x22.2mm, 32g","offer_id":51414070264096,"sku":"Rgh_Dice_00220260402","price":97.0,"currency_code":"USD","in_stock":true},{"title":"Grey Phantom Laser YAG, 24.4x18.6x17.4mm, 34g","offer_id":51414070296864,"sku":"Rgh_Dice_00320260402","price":220.0,"currency_code":"USD","in_stock":true},{"title":"Grey Phantom Laser YAG, 29.6x24.4x24.1mm, 76g","offer_id":51414070329632,"sku":"Rgh_Dice_00420260402","price":550.0,"currency_code":"USD","in_stock":true},{"title":"Red-Pink Lab Laser Ruby, 38.8x27.4x26.5mm, 58g","offer_id":51414070362400,"sku":"Rgh_Dice_00520260402","price":400.0,"currency_code":"USD","in_stock":true},{"title":"Dino Gem Bone (Agatized Fossil Dinosaur Bone), 36.8x31x29.2mm, 75g","offer_id":51414070395168,"sku":"Rgh_Dice_00620260402","price":234.0,"currency_code":"USD","in_stock":true},{"title":"Vivid Blue Lab Cobalt Quartz, 31.7x30.7x30.7mm, 81g","offer_id":51414070427936,"sku":"Rgh_Dice_00720260402","price":187.0,"currency_code":"USD","in_stock":true},{"title":"Vivid Blue Lab Cobalt Quartz, 31.9x30.4x30mm, 86g","offer_id":51414070460704,"sku":"Rgh_Dice_00820260402","price":196.0,"currency_code":"USD","in_stock":true},{"title":"Padparadscha Laser Sapphire, 34.5x30.9x30.6mm, 129g","offer_id":51414070493472,"sku":"Rgh_Dice_00920260402","price":455.0,"currency_code":"USD","in_stock":true},{"title":"Large Pink Nd+Ce Laser YAG, 52.6x38mm, 153g","offer_id":51414070526240,"sku":"Rgh_Dice_01020260402","price":427.0,"currency_code":"USD","in_stock":true},{"title":"Natural Topaz, 50.4x39.1x38.8mm, 158g","offer_id":51414070559008,"sku":"Rgh_Dice_01120260402","price":395.0,"currency_code":"USD","in_stock":true},{"title":"Moissanite, 18.6x14.8x14.3mm, 11.4g","offer_id":51414070591776,"sku":"Rgh_Dice_01220260402","price":110.0,"currency_code":"USD","in_stock":true},{"title":"Laser Titanium Sapphire, 29.8×25.4×20.5mm, 49.7g","offer_id":51414656942368,"sku":"Rgh_Dice_01320260402","price":424.0,"currency_code":"USD","in_stock":true},{"title":"Peach Nd\/Ce YAG, 27.8×39.02mm, 126.7g","offer_id":51414656975136,"sku":"Rgh_Dice_01420260402","price":393.0,"currency_code":"USD","in_stock":true},{"title":"Yellow Ce\/Nd YAG, 51.2×37.3mm, 165.7g","offer_id":51414657007904,"sku":"Rgh_Dice_01520260402","price":476.0,"currency_code":"USD","in_stock":true},{"title":"Vivid Blue Lab Cobalt Quartz, 30.9×30.6×30.5mm, 74.6g","offer_id":51414657040672,"sku":"Rgh_Dice_01620260402","price":198.0,"currency_code":"USD","in_stock":true},{"title":"White Moissanite, 28.6×34×24mm, 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While Nd YAG is one of the most classic laser materials and has been widely used for numerous applications since the 60s the formula has been tinkered with over the years to optimize it even further. In particular cerium can act as a booster to the neodymium, and depending on the balance and the possible presence of other elements the color varies dramatically. In this version the YAG has actually mostly been doped with Cerium and just a pinch of neodymium.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eCe alone gives YAG an ultra bright yellow color, and Nd alone gives a purple shifting color. Together they give the stone a striking yellow to amber color which shifts between more orange and more yellow from light source to light source. They also show a striking yellow and pink fluorescence. Pink fluorescence like this is a very unusual feature--it only shows up under a blacklight but still makes for an interesting addition to the gem. Some of these stones have zones of pink fluorescence combined with yellow, others just show a brighter yellow.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eYAG has an RI of 1.83, hardness of 8.5 and cuts and polishes very easily. It is ideal for all jewelry applications. 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The crystal structure has been improved over the older versions, which means you don't have the same worries about a yellow discoloration during polishing.\u003cbr\u003e\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"White Moissanite 1-2g","offer_id":51417830523168,"sku":"Rgh_SiCWht_1g","price":36.0,"currency_code":"USD","in_stock":true},{"title":"White Moissanite 2-3g","offer_id":51417830555936,"sku":"Rgh_SiCWht_2g","price":56.0,"currency_code":"USD","in_stock":true},{"title":"White Moissanite 3-4g","offer_id":51417830588704,"sku":"Rgh_SiCWht_3g","price":72.0,"currency_code":"USD","in_stock":true},{"title":"White Moissanite 4-5g","offer_id":51417830621472,"sku":"Rgh_SiCWht_4g","price":85.0,"currency_code":"USD","in_stock":true},{"title":"White Moissanite 5-6g","offer_id":51417830654240,"sku":"Rgh_SiCWht_5g","price":99.0,"currency_code":"USD","in_stock":true},{"title":"White Moissanite, 16.8x14.9x10.7mm, 6.6g","offer_id":51417830687008,"sku":"Rgh_SiCWht_0012026","price":119.0,"currency_code":"USD","in_stock":false},{"title":"Long White Moissanite, 62.7x14.2x11.4mm, 30g","offer_id":51417830719776,"sku":"Rgh_SiCWht_0022026","price":540.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/White_Moissanite_Rough.jpg?v=1775197974"},{"product_id":"dichroic-moissanite-cubes","title":"Dichroic Moissanite Cubes, Blue\/Yellow Moissanite Polished Pieces","description":"\u003cp\u003eThese are unusual dichroic yellow and blue moissanite polished cubes.  They're great for seeing dichroism - either by looking through different faces of the crystal, or by rotating them around in polarized light.\u003c\/p\u003e\n\u003cp\u003eWe tried a new technique for cubing these up with somewhat mixed results - they aren't perfect cubes, and some are noticeably quite wonky.  I sorted them out by size and color, but be aware that these are more cube-ish than geometric perfect cubes.\u003cbr\u003e\u003cbr\u003eThis one is an odd one--moissanite with striking dichroism! This is likely the result of a mistake during growth where the argon atmosphere was lost and atmospheric nitrogen snuck and an was able to color the crystal partway through growth, though it's also possibly an intentional dopant (color in moissanite is complicated in a similar way to diamond). This gives it a very unique look--when cut the colors may blend to green or remain separate depending on the chosen orientation and cut design.  This is one of my favorite materials to cut and it comes out amazing!\u003cbr\u003e\u003cbr\u003eNote that this is the newer '4H' polytype of moissanite. The crystal structure is different from older '6H' moissanite, which means you don't have the same worries about a yellow discoloration during polishing.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"5 mm Dark Dichroic Cube","offer_id":51460073947424,"sku":"Cube_SicDark_5mmGood","price":35.0,"currency_code":"USD","in_stock":true},{"title":"5 mm Dark Dichroic Cube (Wonky)","offer_id":51460073980192,"sku":"Cube_SicDark_5mmWonky","price":30.0,"currency_code":"USD","in_stock":true},{"title":"5 mm Light Dichroic Cube","offer_id":51460074012960,"sku":"Cube_SicLight_5mmGood","price":35.0,"currency_code":"USD","in_stock":true},{"title":"5 mm Light Dichroic Cube (Wonky)","offer_id":51460074045728,"sku":"Cube_SicLight_5mmWonky","price":30.0,"currency_code":"USD","in_stock":true},{"title":"6 mm Dark Dichroic Cube","offer_id":51460074078496,"sku":"Cube_SicDark_6mmGood","price":55.0,"currency_code":"USD","in_stock":true},{"title":"6 mm Dark Dichroic Cube 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this year's contest the pre-master material is spinel, master is YAG and grandmaster is moissanite--I'll be making sure we have a variety of each type available here, bear with me as I get more sawn up and posted.\u003c\/p\u003e\n\u003cp\u003eThe competition requires final stones to be 12x12 mm, and each piece of rough should be able to yield that--they're each individually photographed and measured.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"USSR Er\/Nd YAG Rough, 14.8×14.1×9.2mm, 8.59g","offer_id":51555268100384,"sku":"USFG_00120260501","price":64.0,"currency_code":"USD","in_stock":true},{"title":"USSR Er\/Nd YAG Rough, 15.4×15.3×10.6mm, 10.5g","offer_id":51555268133152,"sku":"USFG_00220260501","price":75.0,"currency_code":"USD","in_stock":true},{"title":"USSR Er\/Nd YAG Rough, 17.3×16.5×11.2mm, 14.22g","offer_id":51555268165920,"sku":"USFG_00320260501","price":92.0,"currency_code":"USD","in_stock":true},{"title":"USSR Er\/Nd YAG Rough, 14.6×13.5×12.6mm, 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