{"product_id":"bournonite-with-quartz-5","title":"BOURNONITE with QUARTZ","description":"Silver-grey Bournonite crystals measuring to 1.7 cm form bladed, cogwheel-twins, intergrown amongst a later development of translucent Quartz crystals, from Herodsfoot mine at Lanreath in Cornwall. This small miniature has a rich content of Bournonite crystals for its size and makes a fine representative specimen for display. Three-quarters of the base is composed of massive Bournonite, forming the roots of crystals which manifest on top. Bournonite is a lead-copper sulphosalt who type locality is Wheal Boys, some 30 km north-west of Herodsfoot. This specimen is accompanied with a well-known and most respected British collector’s label.","brand":"Crystal Classics","offers":[{"title":"Default Title","offer_id":46545093066927,"sku":"CC16886","price":750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/8516\/2671\/files\/CC16886.png?v=1770370134","url":"https:\/\/crystalclassics.com\/products\/bournonite-with-quartz-5","provider":"Crystal Classics","version":"1.0","type":"link"}