{"title":"GAGG","description":"\u003cp\u003eGadolinium Aluminum Gallium Garnet, the yellow lumogarnet that can glow in the dark! \u003c\/p\u003e\n\u003cp\u003eA cousin to the \u003ca href=\"https:\/\/store.turtleshoard.com\/collections\/ggg\" target=\"_blank\" title=\"GGG (Gadolinium Gallium Garnet)\" rel=\"noopener noreferrer\"\u003eGGG\u003c\/a\u003e traditionally used in gemstones, GAGG gets the 'A' in its name from added aluminum that increases its hardness.  Currently, GAGG is used to detect high energy radiation in medical devices. When radiation (like an X-ray or gamma ray) hits it, it glows! And since it's so sensitive, blue and UV light will also bring out its yellow fluorescence.  \u003c\/p\u003e","products":[{"product_id":"gagg-pixels-yellow-lumogarnet","title":"GAGG Pixels, Yellow Lumogarnet Scintillator  (Day Glow Fluorescence, Slight Phosphorescence)","description":"\u003cp\u003eThese are pixels of GAGG, a type of hyperfluorescent lab created garnet which were produced for use as scintillators in PET scanners, CAT scanners or similar devices but didn't quite make the cut.  We have complete pixel prisms, ones with cracks or missing areas, partial fragments as well as ones that have been faceted.\u003c\/p\u003e\n\u003cp\u003eThe complete prisms measure 27x5x3mm and weigh in at 14.5 carats on average.\u003c\/p\u003e\n\u003cp\u003eWe also have had some faceted as bright and brilliant gems!  these stones range from 19-20mm in length and 4-7ct in weight, averaging about 6ct.  Some of these have inclusions, though the most included ones are offered at a discount.\u003c\/p\u003e\n\u003cp\u003eCerium GAGG is a material which has recently risen to prominence in industry but never been used as a gem until now. It is what we call a 'lumogarnet' - a synthetic garnet with incredible fluorescence. It glows a bright yellow, slightly greener and brighter than already-bright Ce:YAG. 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. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis material also glows in the dark, though the amount varies from piece to piece.  They try hard to make sure it won't have any afterglow but mistakes do get made sometimes and these gems are the ones that didn't make the cut for whatever reason.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Smaller Complete GAGG Pixel (20x4.3mm avg 12ct)","offer_id":46001346642208,"sku":"Pixel_GAGG_Small","price":50.0,"currency_code":"USD","in_stock":true},{"title":"Larger Complete GAGG Pixel (27x5x3mm avg 14.5ct)","offer_id":48563359482144,"sku":"Pixel_GAGG_Whole","price":50.0,"currency_code":"USD","in_stock":true},{"title":"Faceted Larger GAGG Pixel (approx 27mm x 5 mm, avg 7.4ct)","offer_id":46002284331296,"sku":"Pixel_GAGG_Faceted","price":150.0,"currency_code":"USD","in_stock":true},{"title":"Faceted GAGG Pixel with inclusions (19-20mm long avg 6ct)","offer_id":46002284364064,"sku":"Faceted_GAGG_Pixel","price":90.0,"currency_code":"USD","in_stock":false},{"title":"Damaged Larger GAGG Pixel (has cracks and or chips)","offer_id":48563359514912,"sku":"Pixel_GAGG_Damaged","price":35.0,"currency_code":"USD","in_stock":false},{"title":"Incomplete Larger GAGG Pixel (fragment of a complete pixel)","offer_id":48563359547680,"sku":"Pixel_GAGG_Fragment","price":25.0,"currency_code":"USD","in_stock":false},{"title":"Damaged Smaller Complete GAGG Pixel","offer_id":49984311001376,"sku":"Pixel_GAGG_Small_Chipped","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0049_2e1a66f9-b051-461e-a8dd-8c9763d9998f.jpg?v=1716495745"},{"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":"high-glow-gagg-jewelry","title":"Glow in the Dark GAGG Jewelry (High Glow GAGG Lumogarnet)","description":"\u003cp\u003eThese sterling silver rings and pendants are our first test parcel of high glow GAGG jewelry!  We will have more in the future but for now these six are all we have.\u003c\/p\u003e\n\u003cp\u003eNote some of the stones have imperfections--these typically contribute to the phosphorescence and are exaggerated by the camera.\u003c\/p\u003e\n\u003cp\u003eThis jewelry is made of high glow GAGG, a type of hyperfluorescent lab created garnet produced for use as scintillators in PET scanners, CAT scanners or similar devices.  This material is supposed to fluoresce (so they can see where the x-rays in the machine are going), but not phosphoresce (because they want to know where a patient's bones are now, not where they were a couple hours ago), so these didn't make the cut.  While virtually all GAGG has at least a little afterglow, this 'high glow' material is visible in pitch darkness for over an hour.\u003c\/p\u003e\n\u003cp\u003eCerium GAGG is a material which has recently risen to prominence in industry but never been used as a gem until now. It is what we call a 'lumogarnet' - a synthetic garnet with incredible fluorescence. It glows a bright yellow, slightly greener and brighter than already-bright Ce:YAG. 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. If you like the alliteration in GGG, you can call this LLL (long luminescence lumogarnet). \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n1023","brand":"Turtle's Hoard","offers":[{"title":"Ring A Size 7 Center Stone 2.3ct","offer_id":46972116304160,"sku":"Ring_GAGGHighGlow","price":320.0,"currency_code":"USD","in_stock":false},{"title":"Ring B Size 5.5 Center Stone 2.3ct","offer_id":46972309799200,"sku":"Ring_GAGGHighGlow","price":300.0,"currency_code":"USD","in_stock":false},{"title":"Ring C Size 6 Center Stone 2.3ct 6mm","offer_id":46972309831968,"sku":"Ring_GAGGHighGlow","price":330.0,"currency_code":"USD","in_stock":false},{"title":"Ring D Size 7.5 Center Stone 2.9ct","offer_id":47042036138272,"sku":"Ring_GAGGHighGlow","price":370.0,"currency_code":"USD","in_stock":false},{"title":"Ring E Size 6 Center Stone 2.9ct","offer_id":47042036171040,"sku":"Ring_GAGGHighGlow","price":370.0,"currency_code":"USD","in_stock":false},{"title":"Ring F Size 6.5 Center Stone 3.8ct","offer_id":47042036203808,"sku":"Ring_GAGGHighGlow","price":430.0,"currency_code":"USD","in_stock":false},{"title":"Pendant G 4.8ct","offer_id":47042036236576,"sku":"Ring_GAGGHighGlow","price":450.0,"currency_code":"USD","in_stock":false},{"title":"Pendant H 5.4ct","offer_id":47042036269344,"sku":"Ring_GAGGHighGlow","price":500.0,"currency_code":"USD","in_stock":false},{"title":"Pendant I 5.9ct","offer_id":47042036302112,"sku":"Ring_GAGGHighGlow","price":540.0,"currency_code":"USD","in_stock":false},{"title":"Pendant J 6ct","offer_id":47042036334880,"sku":"Ring_GAGGHighGlow","price":560.0,"currency_code":"USD","in_stock":false},{"title":"Pendant K 6.3ct","offer_id":47042036367648,"sku":"Ring_GAGGHighGlow","price":580.0,"currency_code":"USD","in_stock":false},{"title":"Pendant L 6.5ct","offer_id":47042036400416,"sku":"Ring_GAGGHighGlow","price":600.0,"currency_code":"USD","in_stock":false},{"title":"Pendant M 6.8ct","offer_id":47042036433184,"sku":"Ring_GAGGHighGlow","price":620.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0019copy.jpg?v=1701388095"},{"product_id":"glow-in-the-dark-gagg-loose-faceted-stones","title":"Glow in the Dark GAGG Lumogarnet High Glow Loose Faceted Stones","description":"\u003cp\u003eThese are \"high glow\" glow-in-the-dark GAGG garnets!  While all GAGG phosphoresce a bit these are top grade material that glow the brightest and longest of any we have.  We sometimes call these 'firefly garnets'.\u003c\/p\u003e\n\u003cp\u003eCerium GAGG is a material which has recently risen to prominence in industry but never been used as a gem until now. It is what we call a 'lumogarnet' - a lab created garnet with incredible fluorescence. It glows a bright yellow, slightly greener and brighter than already-bright Ce:YAG. 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. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis is our highest grade of GAGG, and it GLOWS IN THE DARK! That's right, I'm so excited about it I wrote it in all caps! They work very hard to make sure it does not glow in the dark since it lowers the temporal resolution of the system (you want to know where an x-ray is now, not where it was an hour ago!) but sometimes they make mistakes, and a small subset have a stronger glow. On top of all that it has a greener color than any of our other GAGGs.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"2.8ct Rectangle Cut 8.3x4.5mm With Bubbles","offer_id":50699756568864,"sku":"Gem_GAGG_Hi_044","price":168.0,"currency_code":"USD","in_stock":false},{"title":"2.88ct Rectangle Cut 7.7x5.1mm Long Bubbles","offer_id":50699756601632,"sku":"Gem_GAGG_Hi_045","price":172.0,"currency_code":"USD","in_stock":false},{"title":"3.10ct Rectangle Cut 8.2x5.5mm With bubbles","offer_id":50699756699936,"sku":"Gem_GAGG_Hi_048","price":186.0,"currency_code":"USD","in_stock":false},{"title":"3.66ct Rectangle Cut 8.9x5.1mm","offer_id":50701305053472,"sku":"Gem_GAGG_Hi_100","price":219.0,"currency_code":"USD","in_stock":false},{"title":"3.70ct Square cut 7.4mm","offer_id":50699767284000,"sku":"Gem_GAGG_Hi_053","price":222.0,"currency_code":"USD","in_stock":false},{"title":"4.11ct Square Cut 7.2mm","offer_id":50699767382304,"sku":"Gem_GAGG_Hi_056","price":246.0,"currency_code":"USD","in_stock":false},{"title":"4.45ct Cushion 7.2mm","offer_id":50701289259296,"sku":"Gem_GAGG_Hi_062","price":267.0,"currency_code":"USD","in_stock":false},{"title":"4.53ct Rectangle Cut 8.7x6.5mm","offer_id":50701289292064,"sku":"Gem_GAGG_Hi_063","price":271.0,"currency_code":"USD","in_stock":false},{"title":"4.6ct Irregular Cut 8.4x7.1","offer_id":50701289357600,"sku":"Gem_GAGG_Hi_065","price":276.0,"currency_code":"USD","in_stock":false},{"title":"5.82ct Rectangle 9.4x6.6mm","offer_id":51031030595872,"sku":"Gem_GAGG_Hi_087","price":349.0,"currency_code":"USD","in_stock":true},{"title":"9.03ct Square Cut 9.1mm","offer_id":51031030628640,"sku":"Gem_GAGG_Hi_089","price":541.0,"currency_code":"USD","in_stock":true},{"title":"9.45ct Rectangle 11.9x7.1mm","offer_id":51031030661408,"sku":"Gem_GAGG_Hi_090","price":567.0,"currency_code":"USD","in_stock":true},{"title":"5.58ct Square 8.1mm","offer_id":51031030694176,"sku":"Gem_GAGG_Hi_084","price":334.0,"currency_code":"USD","in_stock":true},{"title":"5.52ct Rectangle Cut 9.2x6.7mm","offer_id":51031030726944,"sku":"Gem_GAGG_Hi_083","price":331.0,"currency_code":"USD","in_stock":false},{"title":"5.26ct Rectangle 8.6x6.8mm","offer_id":51031030759712,"sku":"Gem_GAGG_Hi_080","price":315.0,"currency_code":"USD","in_stock":true},{"title":"6.19ct Square 7.8mm","offer_id":51031030792480,"sku":"Gem_GAGG_Hi_078","price":371.0,"currency_code":"USD","in_stock":true},{"title":"5.04ct Cushion Cut 7.6mm","offer_id":51031030825248,"sku":"Gem_GAGG_Hi_076","price":302.0,"currency_code":"USD","in_stock":true},{"title":"4.98ct Long Cushion 9.3x7.1mm","offer_id":51031030858016,"sku":"Gem_GAGG_Hi_074","price":298.0,"currency_code":"USD","in_stock":true},{"title":"4.78ct Long Cushion Cut 9.2x6.9mm","offer_id":51031030890784,"sku":"Gem_GAGG_Hi_069","price":286.0,"currency_code":"USD","in_stock":true},{"title":"4.62ct Long Cushion Cut 9.8x7.3mm","offer_id":51031030923552,"sku":"Gem_GAGG_Hi_067","price":277.0,"currency_code":"USD","in_stock":true},{"title":"4.6ct Long Octagon Cut 8.8x7mm","offer_id":51031030956320,"sku":"Gem_GAGG_Hi_066","price":276.0,"currency_code":"USD","in_stock":true},{"title":"1.89ct Trillion","offer_id":51031055139104,"sku":"Gem_GAGG_Hi_00120251211","price":112.0,"currency_code":"USD","in_stock":false},{"title":"1.9ct Bubbly Tablet 9.4x5.6mm","offer_id":51031055171872,"sku":"Gem_GAGG_Hi_00220251211","price":114.0,"currency_code":"USD","in_stock":true},{"title":"1.92ct Rectangle Cut 4.6x6.6mm","offer_id":51031055204640,"sku":"Gem_GAGG_Hi_00320251211","price":115.0,"currency_code":"USD","in_stock":false},{"title":"2.0ct Oval Cut 7.5x5.2mm","offer_id":51031055237408,"sku":"Gem_GAGG_Hi_00420251211","price":120.0,"currency_code":"USD","in_stock":false},{"title":"2.04ct Oval Cut 7.2x5.2mm","offer_id":51031055270176,"sku":"Gem_GAGG_Hi_00520251211","price":122.0,"currency_code":"USD","in_stock":false},{"title":"2.1ct Rectangle Cut 6.6x4.6mm","offer_id":51031055302944,"sku":"Gem_GAGG_Hi_00620251211","price":126.0,"currency_code":"USD","in_stock":false},{"title":"2.1ct Bubbly Rectangle Cut 8.1x4.0ct","offer_id":51031055335712,"sku":"Gem_GAGG_Hi_00720251211","price":75.0,"currency_code":"USD","in_stock":false},{"title":"2.15ct Trillion Cut","offer_id":51031055368480,"sku":"Gem_GAGG_Hi_00820251211","price":129.0,"currency_code":"USD","in_stock":false},{"title":"2.16ct Pear Cut 8.5x5.4mm","offer_id":51031055401248,"sku":"Gem_GAGG_Hi_00920251211","price":129.0,"currency_code":"USD","in_stock":false},{"title":"2.18ct Oval Cut 7.2x5.5mm","offer_id":51031055434016,"sku":"Gem_GAGG_Hi_01020251211","price":130.0,"currency_code":"USD","in_stock":false},{"title":"2.2ct Rectangle 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That's right, I'm so excited about it I wrote it in all caps! They work very hard to make sure it does not glow in the dark since it lowers the temporal resolution of the system (you want to know where an x-ray is now, not where it was an hour ago!) but sometimes they make mistakes, and a small subset have a stronger glow. On top of all that it has a greener color than any of our other GAGGs.\u003c\/p\u003e\n\u003cp\u003eThe second stone is cut is samarium-doped YAG with a strong orange glow under UV light.  Samarium YAG is used as a non-contact pressure gauge in diamond anvil experiments--the color of its fluorescence changes with pressure, so it can very accurately report pressure without any physical connection to the outside.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Glow in the Dark GAGG 57.5ct","offer_id":50816664305952,"sku":null,"price":500.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/jackfront.jpg?v=1760928262"},{"product_id":"fantasy-cut-gagg-lumogarnet","title":"Fantasy Cut GAGG Lumogarnets","description":"\u003cp\u003eThese are fantasy cut GAGG lumogarnets.  Some also have a noticeable afterglow\/phosphorescence.  Each is pictured individually.\u003c\/p\u003e\n\u003cp\u003eGAGG is known for its incredible fluorescence which turns basically any higher energy radiation into vivid yellow light.  These fantasy cuts with their concave curved faces add an extra dimension to the stones, like staring into infinity.\u003c\/p\u003e\n\u003cp\u003eCerium GAGG is a material which has recently risen to prominence in industry but never been used as a gem until now. It is what we call a 'lumogarnet' - a lab created garnet with incredible fluorescence. It glows a bright yellow, slightly greener and brighter than already-bright Ce:YAG. 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. \u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Pear 20.0ct 18x12.3mm","offer_id":50871939432736,"sku":"FNT_GAGG_001_20251107","price":293.0,"currency_code":"USD","in_stock":true},{"title":"Pear 22.8ct 19.5x10.8mm","offer_id":50871939465504,"sku":"FNT_GAGG_002_20251107","price":330.0,"currency_code":"USD","in_stock":true},{"title":"Pear 30.4ct 18.4x13.7mm","offer_id":50872055005472,"sku":"FNT_GAGG_003_20251107","price":425.0,"currency_code":"USD","in_stock":true},{"title":"Pear 31.8ct 20x12.6mm","offer_id":50872055038240,"sku":"FNT_GAGG_004_20251107","price":441.0,"currency_code":"USD","in_stock":false},{"title":"Pear 39.2ct 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beyond that.\u003c\/p\u003e\n\u003cp\u003eNote some of the stones have bubbles or other imperfections--these typically contribute to the phosphorescence.\u003c\/p\u003e\n\u003cp\u003eGAGG is a type of hyperfluorescent lab created garnet produced for use as scintillators in PET scanners, CAT scanners or similar devices.  \u003c\/p\u003e\n\u003cp\u003eCerium GAGG is a material which has recently risen to prominence in industry but never been used as a gem until now. It is what we call a 'lumogarnet' - a synthetic garnet with incredible fluorescence. It glows a bright yellow, slightly greener and brighter than already-bright Ce:YAG. 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. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Round Pendant 10mm ~8.5ct","offer_id":51530300850464,"sku":"Pend_GAGG_PXL12x8","price":450.0,"currency_code":"USD","in_stock":true},{"title":"Pixel Pendant 12x8mm ~8.8ct","offer_id":51531029086496,"sku":"Pend_GAGG_RND10","price":520.0,"currency_code":"USD","in_stock":true},{"title":"Stud Earrings 8mm ~8.8tctw","offer_id":51531029119264,"sku":"Stud_GAGG_8mm","price":480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/Faceted_GAGG_Jewelry_Sterling.jpg?v=1777270907"}],"url":"https:\/\/store.gemsofscience.com\/collections\/gagg.oembed","provider":"Gems Of Science","version":"1.0","type":"link"}