{"product_id":"cornwallite","title":"CORNWALLITE","description":"A rich miniature of botryoidal  dark forest green Cornwallite lining a deep cavity in white Quartz from Mammoth mine in the Tintic District of Juab County, Utah, USA.   Cornwallite is a rare copper arsenate, named for the county of Cornwall and in this specimen displays an attractive velvet textured surface with a silky lustre.   Also adhering to the Quartz is a grey mixture of undefined sulphides with occasional Limonite.   This is a beautiful and rich miniature of Cornwallite from the Mammoth mine, Utah.","brand":"Crystal Classics","offers":[{"title":"Default Title","offer_id":57780492763471,"sku":"CC11780","price":629.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/3748\/2063\/files\/CC11780_8880f9fc-de20-4f5c-9ede-d1977e631517.jpg?v=1783968904","url":"https:\/\/crystalclassics.co.uk\/products\/cornwallite","provider":"Crystal Classics UK","version":"1.0","type":"link"}