{"product_id":"covellite-with-colusite-bornite-and-quartz","title":"COVELLITE with  COLUSITE   BORNITE and QUARTZ","description":"Colusite is a rare copper vanadium arsenic sulphide which occurs on this large miniature as tiny golden-bronze metallic crystals together with Covellite, Bornite and Quartz.  From the historic Butte Mining District in Silver Bow County, Montana, USA, all four species form crystals along one face of a tan, cream and light grey Quartzite matrix.  The Covellite forms as a black blades with peacock blue, mauve and purple iridescence together with small, similar coloured Bornite crystals nestled between the blades.  These sit on a bed of colourless and gemmy Quartz micro-crystals of, say, 1 to 3 mm tall.  An interesting combination of species from Butte with a Prosper J. Williams (Toronto) label.","brand":"Crystal Classics","offers":[{"title":"Default Title","offer_id":46545417601199,"sku":"CC28421","price":2000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/8516\/2671\/files\/CC28421.png?v=1770390042","url":"https:\/\/crystalclassics.com\/products\/covellite-with-colusite-bornite-and-quartz","provider":"Crystal Classics","version":"1.0","type":"link"}