{"product_id":"calcite-w-pyrite-and-marcasite","title":"Calcite w\/ Pyrite and Marcasite","description":"\u003cp\u003eWise Lake Formation, Conco Mine,\u003c\/p\u003e\n\u003cp\u003eNorth Aurora, Kane County, Illinois\u003c\/p\u003e\n\u003cp\u003eUSA\u003c\/p\u003e\n\u003cp\u003e9x3.5x8cm\u003c\/p\u003eStriking calcite specimen featuring lustrous golden pyrite and silvery marcasite accretions. The calcite crystals display excellent clarity and geometric form, while the metallic sulfide minerals create striking contrast and visual depth. A classic association from the Wise Lake Formation at the historic Conco Mine in Illinois. Ideal for collectors seeking specimens with multiple mineral phases and strong aesthetic appeal.","brand":"Sterling Mineral Imports","offers":[{"title":"Default Title","offer_id":48105125511389,"sku":"72","price":500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0548\/9954\/0189\/files\/IMG-5793.heic?v=1782738423","url":"https:\/\/sterlingmineralimports.com\/products\/calcite-w-pyrite-and-marcasite","provider":"Sterling Mineral Imports","version":"1.0","type":"link"}