{"product_id":"62g-maden-4-rough-lapis-lazuli-chalcopyrite","title":"62g Maden-4 Lapis Lazuli with Chalcopyrite, Afghanistan","description":"\u003cp\u003eThis 62-gram rough mineral specimen combines deep blue lapis lazuli with contrasting golden-toned chalcopyrite. Its natural, unpolished form preserves the irregular surfaces and mineral relationships that make the piece useful for a collector’s cabinet, mineral study, or close-up display.\u003c\/p\u003e\n\u003ch3\u003eSize Idea:\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0845\/4665\/0401\/files\/golden-pyrite-lapis.webp?v=1789905168\" alt=\"Lapis Lazuli with Pyrite\" style=\"width: 466px; max-width: 100%; height: auto; display: inline-block;\"\u003e\n\u003c\/p\u003e\n\u003cp\u003eThe specimen is associated with Maden-4 (Mine 4) in Afghanistan’s historic Sar-e-Sang lapis mining district in Badakhshan. This high-mountain district has supplied lapis lazuli for thousands of years. The Maden-4 reference identifies the mine context given for this piece; natural mineral specimens can vary across a single working.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinerals:\u003c\/strong\u003e Lapis lazuli with chalcopyrite. Chalcopyrite is a copper iron sulfide with the formula CuFeS₂ and provides the metallic, brass-gold contrast visible against the blue host material.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGem type:\u003c\/strong\u003e A natural, semi-precious gemstone and mineral specimen rather than a cut or polished gem.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e Rough and untreated in appearance, retaining a natural specimen shape.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 62 grams.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approximately 53 × 41 × 22 mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAbout the specimen\u003c\/h3\u003e\n\u003cp\u003eThe compact size makes this piece easy to examine from different angles while still showing a clear visual relationship between the blue lapis material and metallic chalcopyrite. \u003c\/p\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is Maden-4 lapis lazuli?\u003c\/h4\u003e\n\u003cp\u003eMaden-4, also written Mine 4, refers to a working associated with the Sar-e-Sang lapis district of Badakhshan, Afghanistan.\u003c\/p\u003e\n\u003ch4\u003eWhat is the gold-colored mineral in this specimen?\u003c\/h4\u003e\n\u003cp\u003eIt is identified here as chalcopyrite, a naturally metallic copper iron sulfide with the formula CuFeS₂.\u003c\/p\u003e\n\u003ch4\u003eIs this lapis specimen polished?\u003c\/h4\u003e\n\u003cp\u003eNo. It is presented as a rough mineral specimen with its natural irregular form visible.\u003c\/p\u003e","brand":"Folkmarketgems","offers":[{"title":"Default Title","offer_id":53533531636001,"sku":"FMGS-65","price":390.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0845\/4665\/0401\/files\/lapis-lazuli-stone.webp?v=1789904331","url":"https:\/\/www.folkmarketgems.com\/products\/62g-maden-4-rough-lapis-lazuli-chalcopyrite","provider":"Folkmarketgems","version":"1.0","type":"link"}