{"product_id":"calcite-on-quartz-matrix","title":"Calcite on Quartz Matrix","description":"\u003cp\u003eThis unique piece features a semicircular cavity lined with crystallized calcite in dark, black, and reddish tones. The calcite rests on a matrix of quartz crystal, which exhibits an early-growth amethyst banding. The specimen tells a story of its own formation: it began as amethyst, then underwent a double or triple crystallization of quartz, and finally, calcite formed. This sequential growth allows us to observe distinct stages of formation, from the initial amethyst to the present specimen.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.69 kg (1.52 lb)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (H × W × D):\u003c\/strong\u003e 11 × 10 × 5 cm (4.3 × 3.9 × 2 in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e Pieza\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e PZA-000017\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Le Stage Minerals","offers":[{"title":"Default Title","offer_id":63241958523267,"sku":"PZA-000017","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/0827\/6099\/files\/foto_1600_ec531221-c826-4375-904c-3b0aaebe9142.jpg?v=1793945741","url":"https:\/\/amethystore.com\/products\/calcite-on-quartz-matrix","provider":"Amethystore","version":"1.0","type":"link"}