{"product_id":"chrysocolla-and-native-copper-in-volcanic-matrix-garut-indonesia-copy-2","title":"Native Copper and Chrysocolla-Bearing Silica — Garut, Indonesia","description":"\u003cp\u003e\u003cspan\u003eBright native copper exposures contrast with deep teal-blue, and\u003c\/span\u003e\u003cspan\u003e turquoise mineralization in this colorful Garut specimen. Native copper ribbons and patches follow an irregular network across the display face, accompanied by broader lavender-gray metallic-looking areas.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOpen cavities reveal pale green interiors and add depth to the polished surface. The irregular outline and contrast between the colorful mineralized zone and gray volcanic matrix give the piece a distinctive appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe blue-green material is consistent with chrysocolla-bearing silica, potentially including chalcedony and common opal. The associated lavender-gray and dark constituents remain unidentified and may include additional copper minerals or alteration products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe volcanic host is interpreted as altered tuff. The reverse retains a rough matrix surface with green mineralization. A visible fracture crosses the gray matrix on the right side of the display face, but appears stable.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHeld in Old Earth Minerals’ inventory for approximately five years, this piece is now being offered for sale.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLocality: Garut, West Java, Indonesia\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eWeight: 46 g\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eDimensions: Approximately 80 × 45 × 10 mm\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eFinish: Polished display face with rough reverse\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eSpecimen No.: 16127\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe exact specimen shown is offered. Handle carefully around cavities, projecting edges, and the fractured matrix area.\u003c\/span\u003e\u003c\/p\u003e","brand":"OLD EARTH MINERALS","offers":[{"title":"Default Title","offer_id":41021954949249,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/9433\/1777\/files\/IMG_4703.heic?v=1793553182","url":"https:\/\/oldearthminerals.com\/products\/chrysocolla-and-native-copper-in-volcanic-matrix-garut-indonesia-copy-2","provider":"OLD EARTH MINERALS","version":"1.0","type":"link"}