{"product_id":"hubnerite","title":"HÜBNERITE","description":"A rich, 7 cm long seam of reddish-bronze to clove-brown Hübnerite crystals with a bright metallic lustre traverse a matrix of snow-white granular Calcite.  Hübnerite is a manganese tungsten oxide and forms the manganese end member of the manganese–iron wolframite solid solution series.  Individual Hübnerite crystals are developed to over 1 cm long and 0.5 cm wide.  This is an excellent example of Hübnerite  from the Adams Claim at Silverton in San Juan County, Colorado, USA.","brand":"Crystal Classics","offers":[{"title":"Default Title","offer_id":57780966326607,"sku":"CC16353","price":185.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/3748\/2063\/files\/CC16353.jpg?v=1783972953","url":"https:\/\/crystalclassics.co.uk\/products\/hubnerite","provider":"Crystal Classics UK","version":"1.0","type":"link"}