{"product_id":"natural-blue-kyanite-crystals-x-70-from-antsahalova-madagascar","title":"Natural Blue Kyanite Crystals x 70 From Antsahalova, Madagascar","description":"\u003cp\u003e\u003cstrong\u003eA NOTE FROM NICK\u003c\/strong\u003e\u003cbr\u003eA large flat of 70 small natural blue Kyanite crystals. These all have striations on the side of the crystals, are semi-translucent, and have black Biotite Mica on them. From the Mica schists around the Karoi area in Zimbabwe, they are not always easily available as they are mined sporadically.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRODUCT DESCRIPTION\u003c\/strong\u003e\u003cbr\u003eKyanite is an aluminium silicate mineral that forms in high-pressure metamorphic rocks. It forms long, flat, blade-like crystals in light to deep blue, with a glassy to pearly lustre, and some pieces are fluorescent under UV light. It has a Mohs hardness of 4.5 to 7, softer along the length of the blade than across it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRODUCT DATA\u003c\/strong\u003e\u003cbr\u003eLocality = Karoi, Zimbabwe\u003cbr\u003eGrade = Good to A Grade\u003cbr\u003eSize = 54 - 93 mm\u003c\/p\u003e","brand":"KYANITE","offers":[{"title":"Default Title","offer_id":50831967584449,"sku":"189-841-261026BM","price":1904.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2066\/6451\/files\/189841_5.jpg?v=1793285012","url":"https:\/\/www.toprocks.com\/products\/natural-blue-kyanite-crystals-x-70-from-antsahalova-madagascar","provider":"Toprock Gemstones and Minerals ","version":"1.0","type":"link"}