{"product_id":"fa11-calcite-su-calcite-sardegna","title":"CALCITE – Twinned Scalenohedra Overgrown by 300+ Crystals, Sardinia, Italy","description":"\u003cp\u003eAn exceptional twin Calcite specimen composed of two intergrown twin crystals entirely overgrown by more than 300 sharply pointed secondary scalenohedral crystals, in turn coated by a translucent third-generation calcite film. This multi-stage growth sequence, combined with the sculptural complexity of the piece, makes it a striking example of a museum-grade specimen from a historic, now-closed Sardinian mine.\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 121 x 79 x 44 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 513 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":45733307777133,"sku":null,"price":299.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8027\/6333\/files\/AGC_20250317_195018645.jpg?v=1788003884","url":"https:\/\/www.italmineral.com\/products\/fa11-calcite-su-calcite-sardegna","provider":"ITALMINERAL","version":"1.0","type":"link"}