{"product_id":"marcasite-on-sphalerite","title":"Marcasite on Sphalerite","description":"\u003cp\u003eBlackstone Mine,\u003c\/p\u003e\n\u003cp\u003eUpper Mississippi Valley Dist.,\u003c\/p\u003e\n\u003cp\u003eLafayette Co., Wisconsin, USA\u003c\/p\u003e\n\u003cp\u003e9x3x5.5cm\u003c\/p\u003eMarcasite crystals perch atop rich brown sphalerite in this striking specimen from Wisconsin's renowned Blackstone Mine. The brassy metallic marcasite displays its characteristic cubic and pyritohedral forms, creating sharp geometric contrast against the darker host mineral. A classic Upper Mississippi Valley district piece showcasing the natural association between these two sulfide minerals. Ideal for collectors seeking authentic regional specimens with excellent crystal definition and color contrast.","brand":"Sterling Mineral Imports","offers":[{"title":"Default Title","offer_id":48105130000605,"sku":"72","price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0548\/9954\/0189\/files\/IMG-5795.heic?v=1782738423","url":"https:\/\/sterlingmineralimports.com\/products\/marcasite-on-sphalerite","provider":"Sterling Mineral Imports","version":"1.0","type":"link"}