{"title":"Chrysocolla","description":"\u003cp\u003e\u003cstrong\u003eChrysocolla\u003c\/strong\u003e is a hydrated copper silicate prized for its intense blue-green to turquoise coloration, formed in the oxidation zones of copper deposits worldwide. Chemically variable and cryptocrystalline, it rarely forms true crystals, instead appearing as botryoidal crusts, reniform masses, and vein fillings, often as a pseudomorph after quartz or malachite. Its name traces to the Greek words for \"gold\" and \"glue,\" a reference to its ancient use as a soldering flux for goldwork first recorded by Theophrastus in 315 BCE. With a Mohs hardness of only 2.5–3.5 in pure form, chrysocolla is fragile, but when intergrown with cryptocrystalline silica it hardens into \u003cstrong\u003egem silica\u003c\/strong\u003e (chrysocolla chalcedony), reaching hardness 6.5–7 and commanding premium prices as a cabochon material.\u003c\/p\u003e\u003cp\u003eClassic type localities include the copper mines of \u003cstrong\u003eKatanga\u003c\/strong\u003e in the Democratic Republic of Congo, especially the \u003cstrong\u003eL'Étoile du Congo Mine\u003c\/strong\u003e and \u003cstrong\u003eStar of the Congo Mine\u003c\/strong\u003e near Lubumbashi, plus \u003cstrong\u003eLikasi\u003c\/strong\u003e and \u003cstrong\u003eKakanda\u003c\/strong\u003e, source of extravagant botryoidal crusts intergrown with malachite. In the American Southwest, Arizona is legendary for chrysocolla from the \u003cstrong\u003eInspiration Mine\u003c\/strong\u003e and \u003cstrong\u003eGlobe-Miami District\u003c\/strong\u003e, the \u003cstrong\u003e79 Mine\u003c\/strong\u003e near Hayden, \u003cstrong\u003eMorenci\u003c\/strong\u003e, \u003cstrong\u003eRay\u003c\/strong\u003e and the \u003cstrong\u003eBisbee Mine\u003c\/strong\u003e, where druzy quartz stalactites often cap botryoidal spheres of chrysocolla. Fine gem silica also comes from the \u003cstrong\u003eInspiration Mine\u003c\/strong\u003e and from the Philippines' \u003cstrong\u003eLuzon Island\u003c\/strong\u003e. In the Levant, the ancient \u003cstrong\u003eTimna copper mines\u003c\/strong\u003e near Eilat, Israel, yielded the famed \u003cstrong\u003eEilat Stone\u003c\/strong\u003e, a chrysocolla-malachite-turquoise intergrowth linked to legends of King Solomon and today Israel's national gemstone. Other notable sources include \u003cstrong\u003eNizhny Tagil\u003c\/strong\u003e in Russia's Ural Mountains, the \u003cstrong\u003eWhim Creek Copper Mine\u003c\/strong\u003e in Western Australia (chrysocolla pseudomorphs after azurite), the \u003cstrong\u003eChillagoe District\u003c\/strong\u003e of Queensland, Peru's \u003cstrong\u003eLily Mine\u003c\/strong\u003e, and Chile's \u003cstrong\u003eChañaral\u003c\/strong\u003e and \u003cstrong\u003eAtacama\u003c\/strong\u003e copper districts.\u003c\/p\u003e\u003cp\u003eCollectors seek chrysocolla for its saturated color range, from sky blue to emerald green, and for its close association with other secondary copper minerals such as \u003cstrong\u003emalachite\u003c\/strong\u003e, \u003cstrong\u003eazurite\u003c\/strong\u003e, \u003cstrong\u003eturquoise\u003c\/strong\u003e, and \u003cstrong\u003ecuprite\u003c\/strong\u003e, which together create visually striking, multicolored specimens. Because chrysocolla is often confused with these related copper species and with \u003cstrong\u003evariscite\u003c\/strong\u003e or \u003cstrong\u003esmithsonite\u003c\/strong\u003e, well-documented specimens from classic mining districts carry particular value. Its combination of vivid pigment, historical pedigree stretching back to ancient goldsmiths and Cleopatra-era gem trade, and genuine mineralogical rarity as fine crystalline material makes chrysocolla a perennial favorite among copper-mineral collectors and cabinet specimen enthusiasts alike.\u003c\/p\u003e","products":[{"product_id":"mun2025-crisocolla-drcongo-1","title":"CHRYSOCOLLA – Candy-Like Blue Botryoidal Crystals on Malachite, Congo","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eNatural Chrysocolla on Malachite from the Star Mine (L'Etoile du Congo), Lubumbashi, DR Congo — the classic locality for this vivid blue-on-green botryoidal combination. Intense sky-blue chrysocolla forms smooth, glossy, candy-like rounded crystals over green malachite, creating a striking natural color contrast. The mine is reported to be largely worked out, making consistent new material increasingly scarce.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eMineral Data:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 65 × 35 × 28 mm\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 85 g\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eProvenance:\u003c\/strong\u003e Star Mine (L'Etoile du Congo), Lubumbashi, Haut-Katanga, Democratic Republic of Congo\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ITALMINERAL","offers":[{"title":"Default Title","offer_id":45453418233965,"sku":null,"price":45.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8027\/6333\/files\/IMG20260309222922.jpg?v=1783934881"}],"url":"https:\/\/www.italmineral.com\/collections\/chrysocolla.oembed","provider":"ITALMINERAL","version":"1.0","type":"link"}