{"title":"F35 Fighter Jet Sapphire","description":"F-35 fighter jets use sapphire windows to cover their high-tech sensor arrays - in fact, each fighter jet uses \u003cem\u003eover 200 pounds of sapphire.\u003c\/em\u003e The Air Force gave Rubicon a grant to build a furnace and grow the biggest single crystal sapphire windows in the world for these jets (with a record-shattering size of over three feet long and 18 inches wide). During the development process, some of the crystals cracked and some came out contaminated, and those were stored in the factory until it was closed and we won them at auction. While these crystals may not have been military grade, they have a chance to retire as gems instead.","products":[{"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":false},{"title":"F-35 Rough 1-2g","offer_id":51401901474080,"sku":"Rgh_F35_1g","price":23.0,"currency_code":"USD","in_stock":false},{"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 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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":"f35-fighter-jet-window-sapphire-pendants-in-sterling","title":"F-35 Fighter Jet Window Sapphire Pendants in Sterling with Custom Sensor Cut (F35 Gem)","description":"\u003cp\u003e\u003cspan\u003eThese sterling silver pendant use lab created sapphires which were grown for sensor windows in the F35 fighter jet, which didn't quite meet spec.  They've been faceted in my custom EOTS design, shaped like sapphire sensor cluster on the nose of the F-35.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eNote these stones glow blue under shortwave UV (especially 222 nm) because of titanium contamination.\u003cbr\u003e\u003cbr\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 America's greatest sapphire growing companies, got a 5 million dollar grant 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 buy the entire pile of defective crystals!  It was a dream come true!\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e1023\u003c\/span\u003e\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"Dangle Pendant (12x8.2 mm stone)","offer_id":51480906465568,"sku":"Pend_EOTS_12x8.2","price":213.0,"currency_code":"USD","in_stock":true},{"title":"Straight Arrow(2ct stone weight)","offer_id":46880314786080,"sku":"Jlry_EOTS_Pend_Arrow1","price":180.0,"currency_code":"USD","in_stock":false},{"title":"Twisted Arrow (2ct stone weight)","offer_id":46880314818848,"sku":"Jlry_EOTS_Pend_Arrow2","price":225.0,"currency_code":"USD","in_stock":true},{"title":"Pear Cut, 8ct stone","offer_id":51781640454432,"sku":"Pend_F35_00120260604","price":548.0,"currency_code":"USD","in_stock":true},{"title":"Emerald Cut, 6ct stone","offer_id":51781640487200,"sku":"Pend_F35_00220260604","price":421.0,"currency_code":"USD","in_stock":true},{"title":"Kite Cut, 8.7ct stone","offer_id":51781640519968,"sku":"Pend_F35_00320260604","price":519.0,"currency_code":"USD","in_stock":true},{"title":"Pineapple Checkerboard, 8.25ct stone","offer_id":51781640552736,"sku":"Pend_F35_00420260604","price":526.0,"currency_code":"USD","in_stock":true},{"title":"Cushion, 7.1ct stone","offer_id":51781640585504,"sku":"Pend_F35_00520260604","price":493.0,"currency_code":"USD","in_stock":true},{"title":"Round, 8.93ct stone","offer_id":51781640618272,"sku":"Pend_F35_00620260604","price":555.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/EOTS_Pendant_12mm_7bdca8f2-a4cf-4956-b9e1-471fdd61d8b7.jpg?v=1776148902"},{"product_id":"f35-fighter-jet-window-sapphire-loose-gems","title":"F-35 Fighter Jet Window Sapphire Loose Calibrated Gems (F35 Gems)","description":"\u003cp\u003e\u003cspan\u003eThese are lab created sapphires which were grown for use as a sensor window in the F35 fighter jet but didn't meet spec.  They've been faceted and are available as loose gems!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNote that the calibrated cuts have a bit more size variation than usual, up to a quarter mm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSome have bubbles, some are a little tinted, and they \u003c\/span\u003eglow blue under shortwave 222nm UV to varying amounts because of titanium contamination.\u003cbr\u003e\u003cbr\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 America's greatest sapphire growing companies, got a 5 million dollar grant 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 buy the entire pile of defective crystals!  It was a dream come true\u003c\/p\u003e","brand":"Turtle's Hoard","offers":[{"title":"2mm Round Cut avg. 0.03ct","offer_id":51131395178784,"sku":"Gem_F35_Round_2","price":10.0,"currency_code":"USD","in_stock":false},{"title":"2.5mm Round Cut avg. 0.07ct","offer_id":51131411628320,"sku":"Gem_F35_Round_2.5","price":11.0,"currency_code":"USD","in_stock":true},{"title":"3mm Round Cut avg. 0.14ct","offer_id":51131416641824,"sku":"Gem_F35_Round_3","price":13.0,"currency_code":"USD","in_stock":true},{"title":"3.5mm Round Cut avg. 0.2ct","offer_id":51131441545504,"sku":"Gem_F35_Round_3.5","price":14.0,"currency_code":"USD","in_stock":true},{"title":"4mm Round Cut avg. 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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 America's greatest sapphire growing companies, got a 5 million dollar grant 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 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12","offer_id":47253251064096,"sku":"Ring_EOTS","price":260.0,"currency_code":"USD","in_stock":false},{"title":"Style H \/ 12.5","offer_id":47253251096864,"sku":"Ring_EOTS","price":260.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/6794\/0384\/files\/IMG_0021.jpg?v=1700606766"},{"product_id":"f35-fighter-jet-window-sapphire-loose-stones-for-class-rings","title":"Special Item: F-35 Fighter Jet Window Loose Stones for Class Rings (F35 Gem)","description":"\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eCURRENTLY RESTOCKING!  CHECK BACK SOON!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese are clear lab sapphires grown for the F-35, cut for Air Force Academy graduation rings.  We have sent samples of each size to Jostens and verified with their gemologist that these meet their custom stone specifications, so these will be perfect for a class ring.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e\u003cspan\u003e\"The stones all fit our requirements\" - Jostens Representative\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhile these gems didn't make it into a F-35, as part of a graduation ring they have another chance to be in a fighter jet!\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 360 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 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set in solid sterling silver jewelry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eNote these stones glow blue to varying amounts under shortwave UV because of titanium contamination.  In our testing 222 nm seems to work best but 254 nm does work to some extent.\u003cbr\u003e\u003cbr\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 America's greatest sapphire growing companies, got a 5 million dollar grant 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 conveyor 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 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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 America's greatest sapphire growing companies, got a 5 million dollar grant 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 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