{"product_id":"fa15-calcite-san-giovanni-1","title":"CALCITE – Elegant Crystal Cluster, San Giovanni Mine, Sardinia, Italy","description":"\u003cp\u003eA naturally formed calcite specimen from the historic San Giovanni Mine in Sardinia, showing a well-developed cluster of crystals with clean, sharply defined faces. The harmonious growth pattern and pleasing luster make this piece equally suited to a serious mineral collection or as a striking display specimen. The San Giovanni Mine has been permanently closed and abandoned since the late 1990s, adding to the long-term collectible value of material from this locality.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMineral Data:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 94 x 82 x 73 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 328 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProvenance:\u003c\/strong\u003e San Giovanni Mine, Bindua, Iglesias, Sardinia, Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ITALMINERAL","offers":[{"title":"Default Title","offer_id":45456485220461,"sku":null,"price":129.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8027\/6333\/files\/IMG20260308195725.jpg?v=1784016054","url":"https:\/\/www.italmineral.com\/products\/fa15-calcite-san-giovanni-1","provider":"ITALMINERAL","version":"1.0","type":"link"}