{"product_id":"natural-rare-adamantine-zircon-crystals-x-1-82-kg-lot-from-malawi","title":"Natural Rare Adamantine Zircon Crystals x 1.82 Kg Lot From Malawi","description":"\u003cp\u003e\u003cb\u003eA NOTE FROM NICK \u003cbr\u003e\u003c\/b\u003eA 1.82Kg lot of natural rare \u003cspan\u003eAdamantine  \u003c\/span\u003eZircon semi crystals and rough pieces displaying a red-brown colour. \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePRODUCT DESCRIPTION \u003cbr\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan\u003eAdamantine \u003c\/span\u003eZircon Specimens\u003cbr\u003e\u003c\/b\u003e\u003cspan class=\"Yjhzub\"\u003eThis batch of selected Adamantine Zircon crystals from Malawi features stunning red, brown, and pink hues with a distinctive adamantine luster, unique to Zircon. As a zirconium silicate mineral, Zircon is typically found in small quantities in various rocks, but it rarely forms large or well-defined crystals. These specimens are ideal for both experienced collectors and those new to the hobby, offering something different and captivating for any collection\u003c\/span\u003e\u003cstrong class=\"Yjhzub\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"Yjhzub\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"Yjhzub\"\u003eZircon\u003c\/span\u003e\u003cspan\u003e is a naturally occurring mineral composed of \u003c\/span\u003e\u003cspan class=\"Yjhzub\"\u003ezirconium \u003c\/span\u003e\u003cspan class=\"Yjhzub\"\u003esilicate\u003c\/span\u003e \u003cspan\u003eand serves as the primary global source of zirconium metal. It is characterized by an exceptionally high refractive index (1.92–2.01) and strong dispersion, giving the gemstone a brilliance and \"fire\" that rivals diamonds. While naturally found in reddish-brown, yellow, and green hues, it is most commonly heat-treated to produce a vibrant \u003c\/span\u003e\u003cspan class=\"Yjhzub\"\u003eelectric \u003c\/span\u003e\u003cspan class=\"Yjhzub\"\u003eblue\u003c\/span\u003e\u003cspan\u003e. Beyond its use in jewelry as a December birthstone, zircon's high melting point (over 2,500°C) and chemical stability make it indispensable for \u003c\/span\u003e\u003cspan class=\"Yjhzub\"\u003eindustrial \u003c\/span\u003e\u003cspan class=\"Yjhzub\"\u003erefractories\u003c\/span\u003e\u003cspan\u003e, ceramic opacifiers, and foundry molds. Notably, its ability to retain trace amounts of uranium and thorium allows geologists to use it for precise \u003c\/span\u003e\u003cspan class=\"Yjhzub\"\u003eradiometric \u003c\/span\u003e\u003cspan class=\"Yjhzub\"\u003edating\u003c\/span\u003e\u003cspan\u003e, as it is one of the oldest known minerals on Earth.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"line-height: normal;\"\u003e\u003cb\u003eASSOCIATED MINERALS \u003cbr\u003e\u003c\/b\u003e\u003cb\u003eZirconium Silicate\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"line-height: normal;\"\u003e\u003cb\u003eASOCIATED FEATURES \u003cbr\u003e\u003c\/b\u003e\u003cspan\u003eTetragonal\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"line-height: normal;\"\u003e\u003cb\u003eASSOCIATED COLOURS \u003cbr\u003e\u003c\/b\u003eRed, Brown, \u003cspan\u003ePink\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"line-height: normal;\"\u003e\u003cb\u003eMOHS HARDNESS SCALE\u003ci\u003e\u003cbr\u003e\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003e6–7.5\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePRODUCT DATA \u003cbr\u003e\u003c\/b\u003eLocality = Malawi\u003cbr\u003eGrade = Good to Very Good Grade\u003cspan style=\"mso-spacerun: yes;\"\u003e                      \u003c\/span\u003e\u003cbr\u003eSize  = 5 - 37  mm\u003c\/p\u003e","brand":"ZIRCON","offers":[{"title":"Default Title","offer_id":50678824960193,"sku":"189-173-261002BM","price":2128.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2066\/6451\/files\/189173_4.jpg?v=1791384317","url":"https:\/\/www.toprocks.com\/products\/natural-rare-adamantine-zircon-crystals-x-1-82-kg-lot-from-malawi","provider":"Toprock Gemstones and Minerals ","version":"1.0","type":"link"}