{"title":"Home page","description":null,"products":[{"product_id":"christmas-garnet-loose-gems-cr-yag-laser-garnet","title":"Christmas Garnet Loose Gems (Cr:YAG Laser Garnet)","description":"\u003cp\u003e\u003cspan\u003eThese are faceted Christmas garnets, also known as chromium laser YAG or Cr3+YAG.  We have both calibrated stones (purchas\u003c\/span\u003e\u003cspan\u003eed by size) and unique stones.  Each unique stone is labelled with its carat weight and measurements in the photo and they can be purchased individually.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eCr:YAG, aka 'Christmas garnet' is an exotic lab-created garnet and a really unique gem even by our standards. It has a totally unique color, with a rich almost tsavorite green base and strong red fluorescence. This means that it shows a mixture of red and green flashes, and which color predominates depends on the lighting (color and angle) as well as the background it is set against. Lighter toned stones will look almost pure green when placed on a white background but change to a mix of red and green when put on a dark background. Note that the camera exaggerates the red at the expense of the green--they do look better in person. They look a bit like alexandrite or color change garnet but is also totally different and unique. This is easily one of my favorite gems, unlike anything else found in nature or any other synthetic.\u003cbr\u003e\u003cbr\u003eCr:YAG is used in lasers as a 'q switch', which means it is opaque until it absorbs a critical amount of radiation and then suddenly becomes transparent. This allows a laser to charge its crystal up to a higher energy level before suddenly releasing it all in a single powerful\u003cspan\u003e \u003c\/span\u003eburst instead of shooting out in a continuous beam. Pulsed lasers can be extremely powerful and are incredibly useful for all sorts of applications, from tattoo removal to cutting edge physics research. Basically, like all bad sci-fi and good RPGs you can upgrade your laser just by slapping a crystal on the end.\u003cbr\u003e\u003cbr\u003eLike all YAG this material is ideal for jewelry with a high hardness of 8.5, no durability issues and good optical properties which make it sparkle brilliantly.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1023\u003c\/span\u003e\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"2mm Round Cut average 0.05ct","offer_id":47056729637152,"sku":"Gem_Xmas_Round_2","price":5.0,"currency_code":"USD","in_stock":false},{"title":"3mm Round Cut Average 0.15ct","offer_id":47627663966496,"sku":"Gem_Xmas_Round_3","price":8.0,"currency_code":"USD","in_stock":false},{"title":"4mm Round Cut Average 0.32ct","offer_id":47627663999264,"sku":"Gem_Xmas_Round_4","price":15.0,"currency_code":"USD","in_stock":false},{"title":"5mm Round cut average 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It has a totally unique color, with a rich almost tsavorite green base and strong red fluorescence. This means that it shows a mixture of red and green flashes, and which color predominates depends on the lighting (color and angle) as well as the background it is set against. Lighter toned stones will look almost pure green when placed on a white background but change to a mix of red and green when put on a dark background. Note that the camera exaggerates the red at the expense of the green--they do look better in person. They look a bit like alexandrite(which also gets its color from Cr3+ atoms) or color change garnet but is also totally different and unique. This is easily one of my favorite gems, unlike anything else found in nature or any other synthetic.\u003cbr\u003e\u003cbr\u003eCr:YAG is used in lasers as a 'Q-switch', which means it is opaque until it absorbs a critical amount of radiation and then suddenly becomes transparent. 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The material we got is from the very tops of the crystals which tends to concentrate any chemical or structural imperfections and as such can't be used, but the main bodies of these crystals have no doubt made it into functioning lasers.\u003cbr\u003e\u003cbr\u003eFrom a gem perspective it is also amazing material. It looks similar to our classic christmas garnet, with a rich green base and strong red fluorescence, but with an even richer and slightly bluer green base. It also has odd pale yellow fluorescence under short wave unlike classic christmas garnet which is red in short and long wave, so it is easy to distinguish from the more common chromium YAG. 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6.5ct","offer_id":51450160087328,"sku":"Spec_ZnO_13920260407","price":96.0,"currency_code":"USD","in_stock":true},{"title":"Orange Cluster, 2.3ct","offer_id":51450160120096,"sku":"Spec_ZnO_14020260407","price":39.0,"currency_code":"USD","in_stock":true},{"title":"Orange Cluster, 36.9ct","offer_id":51450160152864,"sku":"Spec_ZnO_14120260407","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/Zincite_Crystals.jpg?v=1740606998"},{"product_id":"fulgurite-specimens-fossil-lightning-glass","title":"Fulgurite Specimens, Fossil Lightning Glass","description":"\u003cp\u003eThese are fulgurites, the glass trail left behind when a lightning bolt strikes in the desert.  These amazing branching formations are collected by nomads from the desert in Morocco and Libya, similar to the classic northwest African meteorites.  They are incredibly cool, showing the classic branching forms you expect from lighting.  We have a few different kinds--the Libyan ones generally show finer detail and have thinner walls, while the Moroccan ones tend to be rounder and thicker with less fine details.  The Moroccan ones also also generally more stable and solid, and I suspect they have been stabilized for preservation.\u003c\/p\u003e\n\u003cp\u003eThese are just amazing little scientific artifacts!\u003c\/p\u003e\n\u003cp\u003eI have sorted them into broad categories, but each piece is unique so there is a lot of variation within each one.  Bolts range from thin to thick, long to short, flat to round.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Small Bolt (Libyan)","offer_id":49979633008928,"sku":"Fulg_Lib_Small","price":12.0,"currency_code":"USD","in_stock":true},{"title":"Medium Bolt (Libyan)","offer_id":49979633041696,"sku":"Fulg_Lib_Med","price":18.0,"currency_code":"USD","in_stock":true},{"title":"Flat Bolt 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This means that it shows a mixture of red and green flashes, and which color predominates depends on the lighting (color and angle) as well as the background it is set against. Lighter toned stones will look almost pure green when placed on a white background but change to a mix of red and green when put on a dark background.  Cr:YAG is used in lasers as a 'q switch', which means it makes lasers charge up and release their energy in single powerful bursts. 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fluorite is famed for its colors and, of course, fluorescence which is named after it.  These lab-grown crystals take the fluorescence up to eleven with a dose of europium, which makes them so fluorescent that, like LuAG, they can be used for detecting invisible radiation.  These stones are colorless but their glow is so powerful they turn blue in direct sunlight!  Fluorite is soft and needs to be treated with extreme care during setting.  Some of these stones have cleavage planes or inclusions.\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Lab Fluorite Rupee 1.44ct","offer_id":50147169370400,"sku":"Faceted_Rupee_Fluorite","price":50.0,"currency_code":"USD","in_stock":false},{"title":"Lab Fluorite Rupee 2.65ct","offer_id":50147169403168,"sku":"Faceted_Rupee_Fluorite","price":91.0,"currency_code":"USD","in_stock":false},{"title":"Lab Fluorite Rupee 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Inspired by classic videogames, these are a fun and nerdy gift.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is a simple style of long hexagon tablet cut reminiscent of all kinds of gems and crystals in old video games (thanks in part to the restrictions of pixel art)--in spite of its simplicity this design makes for a lively gem with a very satisfying look.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eVanadium YAG is an exotic lab garnet--its pure composition gives it the most vivid green base color I have seen in any gem.  Like Christmas garnet it functions as a Q switch to make lasers more powerful, and also makes an amazing gemstone.  Some of these stones have fine inclusions which give them a slightly translucent look.\u003c\/p\u003e\n\u003cp\u003eChristmas garnet, or chromium-doped YAG, is also used as a Q switch in lasers.  It has a rich green base paired with strong red fluorescence--depending on the background it is viewed against it might look green 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background. Note that the camera exaggerates the red at the expense of the green--they do look better in person. They look a bit like alexandrite or color change garnet but is also totally different and unique. This is easily one of my favorite gems, unlike anything else found in nature or any other synthetic.\u003cbr\u003e\u003cbr\u003eCr:YAG is used in lasers as a 'q switch', which means it is opaque until it absorbs a critical amount of radiation and then suddenly becomes transparent. This allows a laser to charge its crystal up to a higher energy level before suddenly releasing it all in a single powerful\u003cspan\u003e \u003c\/span\u003eburst instead of shooting out in a continuous beam. Pulsed lasers can be extremely powerful and are incredibly useful for all sorts of applications, from tattoo removal to cutting edge physics research. Basically, like all bad sci-fi and good RPGs you can upgrade your laser just by slapping a crystal on the end.\u003cbr\u003e\u003cbr\u003eLike all YAG this material is ideal for jewelry with a high hardness of 8.5, no durability issues and good optical properties which make it sparkle brilliantly.\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Round, 2mm, 0.05ct","offer_id":51781523046688,"sku":"Gem_Mint_RND2","price":7.0,"currency_code":"USD","in_stock":true},{"title":"Round, 2.5mm, 0.1ct","offer_id":51781523079456,"sku":"Gem_Mint_RND2.5","price":9.0,"currency_code":"USD","in_stock":true},{"title":"Round, 3mm, 0.15ct","offer_id":51384567660832,"sku":"Gem_Mint_RND3","price":11.0,"currency_code":"USD","in_stock":true},{"title":"Round, 4mm, 0.35ct","offer_id":51384567693600,"sku":"Gem_Mint_RND4","price":18.0,"currency_code":"USD","in_stock":true},{"title":"Round, 4.5mm, 0.5ct","offer_id":51384567726368,"sku":"Gem_Mint_RND4.5","price":21.0,"currency_code":"USD","in_stock":false},{"title":"Round, 5mm, 0.75ct","offer_id":51384567759136,"sku":"Gem_Mint_RND5","price":26.0,"currency_code":"USD","in_stock":true},{"title":"Round, 6mm, 1.1ct","offer_id":51781523112224,"sku":"Gem_Mint_RND6","price":47.0,"currency_code":"USD","in_stock":true},{"title":"Round, 7mm, 1.6ct","offer_id":51781523144992,"sku":"Gem_Mint_RND7","price":64.0,"currency_code":"USD","in_stock":true},{"title":"Round, 8mm, 2.9ct","offer_id":51384567791904,"sku":"Gem_Mint_RND8","price":104.0,"currency_code":"USD","in_stock":false},{"title":"Hex, 4mm, 0.45ct","offer_id":51384567824672,"sku":"Gem_Mint_HEX4","price":16.0,"currency_code":"USD","in_stock":false},{"title":"Hex, 4.5mm, 0.65ct","offer_id":51384567857440,"sku":"Gem_Mint_HEX4.5","price":23.0,"currency_code":"USD","in_stock":false},{"title":"Hex, 6mm, 1.4ct","offer_id":51384567890208,"sku":"Gem_Mint_HEX6","price":48.0,"currency_code":"USD","in_stock":false},{"title":"Hex, 7mm, 2.35ct","offer_id":51384567922976,"sku":"Gem_Mint_HEX7","price":78.0,"currency_code":"USD","in_stock":false},{"title":"Hex, 8mm, 3.4ct","offer_id":51384567955744,"sku":"Gem_Mint_HEX8","price":109.0,"currency_code":"USD","in_stock":true},{"title":"Hex, 10mm, 6.5ct","offer_id":51384567988512,"sku":"Gem_Mint_HEX10","price":195.0,"currency_code":"USD","in_stock":true},{"title":"Trillion, 4mm, 0.3ct","offer_id":51781522817312,"sku":"Gem_Mint_TRI4","price":16.0,"currency_code":"USD","in_stock":true},{"title":"Trillion, 5mm, 0.6ct","offer_id":51781522850080,"sku":"Gem_Mint_TRI5","price":28.0,"currency_code":"USD","in_stock":true},{"title":"Trillion, 6mm, 1ct","offer_id":51781522882848,"sku":"Gem_Mint_TRI6","price":43.0,"currency_code":"USD","in_stock":true},{"title":"Trillion, 10mm, 4.5ct","offer_id":51781523013920,"sku":"Gem_Mint_TRI10","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/Mint_Garnet_Gemstones.jpg?v=1774579323"}],"url":"https:\/\/store.gemsofscience.com\/collections\/frontpage.oembed","provider":"Gems Of Science","version":"1.0","type":"link"}