{"product_id":"fluorite-13","title":"Fluorite","description":"\u003cp\u003eThe Minerva No. 1 Mine in southern Illinois was one of the most important mines in the Cave-in-Rock Fluorspar District. Operating from the 1940s until 1996, it produced some of the district’s finest fluorite specimens, along with sphalerite and several less common barium-bearing minerals. Some of its most sought-after fluorite came from the Cross-Cut orebody, where crystals formed alongside hydrocarbon-rich material that influenced their growth and appearance. The mine remains a classic locality for American fluorite collectors. \u003c\/p\u003e","brand":"IK","offers":[{"title":"Default Title","offer_id":67878596345946,"sku":null,"price":400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2504\/6618\/files\/MN0640-Fluorite-Illinois-_400-Edited_1.jpg?v=1793218636","url":"https:\/\/themineralnexus.com\/products\/fluorite-13","provider":"Mineral Nexus","version":"1.0","type":"link"}