{"product_id":"native-copper-101","title":"NATIVE COPPER","description":"A quite long and characterful specimen of Native Copper from the lesser seen Trimountain No.2 mine, Trimountain, Adams Township, Houghton County, Michigan. A later starter than many, Trimountain mine worked from 1899 through until 1923, producing 144 million lbs (65,000 tons) of refined copper metal. This very rich mass of Native Copper displays a fine bright metallic lustre and classic copper metal colour. Ex David Hardman collection, no. 279.","brand":"Crystal Classics","offers":[{"title":"Default Title","offer_id":57781420163407,"sku":"CC49898","price":259.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/3748\/2063\/files\/CC49898_8369cb6b-7bf9-4bfd-8c48-5ea0901e2ba8.jpg?v=1783988604","url":"https:\/\/crystalclassics.co.uk\/products\/native-copper-101","provider":"Crystal Classics UK","version":"1.0","type":"link"}