{"product_id":"proustite-17","title":"PROUSTITE","description":"A terminated, highly lustrous, 5 x 3 x 3 mm Proustite crystal nestles in a shallow vug within a white Calcite and Dolomite matrix from the P?'bram mining district in the Czech Republic.  The Proustite, a silver-arsenic sulphosalt, appears metallic jet-black, but once strongly backlit releases flashes of deep claret-red.  A slightly smaller, more granular patch of Proustite sits adjacent to this and on the base, Proustite can be seen disseminated throughout the sulphide-rich matrix together with sub-mm crystals of Pyrite.","brand":"Crystal Classics","offers":[{"title":"Default Title","offer_id":57781028094287,"sku":"CC19671","price":296.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/3748\/2063\/files\/CC19671_d5f97ad8-df53-4161-a8a1-add9f2fa45f1.jpg?v=1783976991","url":"https:\/\/crystalclassics.co.uk\/products\/proustite-17","provider":"Crystal Classics UK","version":"1.0","type":"link"}