{"product_id":"native-copper-100","title":"NATIVE COPPER","description":"A large and very hackly mass of Native Copper partially encapsulated within white Calcite from No. 6 shaft, Centennial mine, Calumet Township, Houghton County, Michigan. Although not the sought after blocky, or dendritic Native Copper crystals known from some of the Michigan mines, this is nevertheless a very rich aggregate of bright metallic Native Copper and displays the classic sharp, hackly, bladed form seen in natural copper. Ex David Hardman collection, no. 312.","brand":"Crystal Classics","offers":[{"title":"Default Title","offer_id":57781419966799,"sku":"CC49878","price":185.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/3748\/2063\/files\/CC49878_586e5973-6431-4842-ad80-104d8149d6f1.jpg?v=1783988599","url":"https:\/\/crystalclassics.co.uk\/products\/native-copper-100","provider":"Crystal Classics UK","version":"1.0","type":"link"}