{"product_id":"polished-black-basalt-display-crystals-x-5-from-antsirabe-madagascar","title":"Polished Black Basalt Display Crystals x 5 From Antsirabe, Madagascar","description":"\u003cp\u003e\u003cstrong\u003eA NOTE FROM NICK\u003c\/strong\u003e\u003cbr\u003eA tray of 5 expertly polished Black Basalt display crystals. Very nice medium sized crystals, expertly polished on the six sides and termination, and cut to stand on the base. These are pitch mirror black selected standing crystal pieces.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRODUCT DESCRIPTION\u003c\/strong\u003e\u003cbr\u003eBasalt is a fine-grained volcanic rock formed from fast-cooling lava, rich in Pyroxene and Plagioclase Feldspar. It is dense and black and takes a smooth shiny polish, and it holds heat well, which is why it is used for massage stones. It has a Mohs hardness of about 6.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRODUCT DATA\u003c\/strong\u003e\u003cbr\u003eLocality = Antsirabe, Madagascar\u003cbr\u003eGrade = Very Good to A Grade\u003cbr\u003eSize = 138 - 164 mm\u003c\/p\u003e","brand":"BASALT","offers":[{"title":"Default Title","offer_id":50880437387457,"sku":"190-102-261102BM","price":1904.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2066\/6451\/files\/190102_9.jpg?v=1794218244","url":"https:\/\/www.toprocks.com\/products\/polished-black-basalt-display-crystals-x-5-from-antsirabe-madagascar","provider":"Toprock Gemstones and Minerals ","version":"1.0","type":"link"}