{"product_id":"natural-blue-kyanite-crystals-x-1-87-kg-lot-from-karoi-zimbabwe","title":"Natural Blue Kyanite Crystals x 1,87 Kg Lot From Karoi, Zimbabwe","description":"\u003cp\u003e\u003cstrong\u003eA NOTE FROM NICK\u003c\/strong\u003e\u003cbr\u003eA 1,87 Kg lot of selected and cleaned natural fluorescent single Karoi Kyanite blue crystals, which fluoresce a bright pink to red colour under UV light. Great for jewellery arts and crafts.\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 = 44 - 82 mm\u003c\/p\u003e","brand":"KYANITE","offers":[{"title":"Default Title","offer_id":50830005207233,"sku":"189-777-261026BM","price":2072.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2066\/6451\/files\/189777_11_0d75b604-1a37-4c11-91f8-a02569ff960d.jpg?v=1793200555","url":"https:\/\/www.toprocks.com\/products\/natural-blue-kyanite-crystals-x-1-87-kg-lot-from-karoi-zimbabwe","provider":"Toprock Gemstones and Minerals ","version":"1.0","type":"link"}