{"product_id":"natural-black-quartz-crystal-specimen-460-g-9-10-5-cm-quartz-minerals-brazil-madagascar-副本","title":"Natural Black Quartz Crystal Specimen | 460 g | 9*10*5 cm | Quartz Minerals | Brazil\/Madagascar","description":"\u003cdiv\u003e\n\u003cdiv data-zone-id=\"0\" data-line-index=\"0\" data-line=\"true\"\u003e\u003cspan\u003e\u003cb\u003eBlack Quartz Collection\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-zone-id=\"0\" data-line-index=\"1\" data-line=\"true\"\u003e\u003cspan\u003e\u003cb\u003eDiscover the bold and mysterious beauty of Black Quartz, a striking dark variety of Quartz admired for its deep smoky to near-opaque black appearance. Belonging to the Silicate Minerals family, Black Quartz represents one of the most visually powerful expressions of natural quartz formation, shaped by intense geological conditions and natural radiation over millions of years.\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-zone-id=\"0\" data-line-index=\"2\" data-line=\"true\"\u003e\u003cspan\u003e\u003cb\u003eOur Black Quartz collection features carefully selected natural specimens sourced from well-known mineral localities such as Brazil, Madagascar, and China. Each crystal displays rich dark tones ranging from deep smoky gray to intense jet-black coloration, often forming in well-developed crystal clusters or single terminated points with natural geometric structure.\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-zone-id=\"0\" data-line-index=\"3\" data-line=\"true\"\u003e\u003cspan\u003e\u003cb\u003eAs a member of the Quartz family, Black Quartz shares the same fundamental silicon dioxide composition as Clear Quartz, but differs in its strong natural irradiation, which gives it its distinctive dark coloration and dramatic visual depth. This creates a powerful contrast between light and shadow within each specimen, making every piece uniquely expressive.\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-zone-id=\"0\" data-line-index=\"4\" data-line=\"true\"\u003e\u003cspan\u003e\u003cb\u003eHighly valued by mineral collectors and interior designers, Black Quartz is appreciated for its grounding visual energy and sculptural presence. Whether displayed as a centerpiece specimen or part of a curated mineral collection, it embodies the raw elegance and geological mystery of deep Earth processes.\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"AJ.Mineral","offers":[{"title":"Default Title","offer_id":53001655746869,"sku":null,"price":83.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0152\/8373\/files\/99f2104600b8017934c30e94941a42a8_200kb.webp?v=1781491023","url":"https:\/\/ajmineral.com\/products\/natural-black-quartz-crystal-specimen-460-g-9-10-5-cm-quartz-minerals-brazil-madagascar-%e5%89%af%e6%9c%ac","provider":"AJ.Mineral","version":"1.0","type":"link"}