{"product_id":"natural-xxl-green-prehnite-specimen-x-1-from-viljoensdrift-namibia","title":"Natural XXL Green Prehnite Specimen x 1 From Viljoensdrift, Namibia","description":"\u003cp\u003e\u003cstrong\u003e\u003cb\u003eA NOTE FROM NICK\u003ci\u003e\u003cbr\u003e\u003c\/i\u003e\u003c\/b\u003e\u003c\/strong\u003eAn XL 321 x 299 x 244 mm sized natural Green Prehnite specimen with \"rose\" formations. Prehnite in this habit formation is always a crowd stopper but a specimen with this size with crystal coverage like this is quite rare.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cstrong\u003ePRODUCT DESCRIPTION\u003c\/strong\u003e\u003cbr\u003e\u003c\/b\u003e\u003cb\u003e\u003cstrong\u003ePrehnite From Viljoensdrift, Namibia \u003c\/strong\u003e\u003cbr\u003e\u003c\/b\u003ePrehnite is a calcium aluminum phyllosilicate mineral forming in low metamorphic and hydrothermal environments typically within the vesicles and fractures of basaltic and andesitic volcanic rocks. This specimens from  Viljoensdrift, Namibia displays unusual petalated tabular habit where Prehnite crystals radiate outwards in overlapping fan and rose-like formations, building up into a large complex florets across the matrix surface.\u003c\/p\u003e\n\u003cp style=\"line-height: normal;\" class=\"MsoNormal\"\u003e\u003cb\u003ePRODUCT MINERALS \u003cbr\u003e\u003c\/b\u003eCalcium Aluminum Silicate\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: normal;\" class=\"MsoNormal\"\u003e\u003cb\u003ePRODUCT FEATURES \u003cbr\u003e\u003c\/b\u003eBotryoidal, Fluorescent, Tabular\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: normal;\" class=\"MsoNormal\"\u003e\u003cb\u003ePRODUCT COLOUR \u003cbr\u003e\u003c\/b\u003eGreen, White\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: normal;\" class=\"MsoNormal\"\u003e\u003cb\u003eMOHS HARDNESS SCALE\u003ci\u003e\u003cbr\u003e\u003c\/i\u003e\u003c\/b\u003e6 to 6.5\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRODUCT DATA \u003cbr\u003e\u003c\/strong\u003eLocality = Viljoensdrift, Namibia\u003cbr\u003eGrade = Good to Very Good Grade\u003cbr\u003eSize = 321 x 299 x 244 mm \u003c\/p\u003e","brand":"PREHNITE","offers":[{"title":"Default Title","offer_id":50607312568513,"sku":"188-473-260916BM","price":13664.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2066\/6451\/files\/188473_13.jpg?v=1790150665","url":"https:\/\/www.toprocks.com\/products\/natural-xxl-green-prehnite-specimen-x-1-from-viljoensdrift-namibia","provider":"Toprock Gemstones and Minerals ","version":"1.0","type":"link"}