{"product_id":"chrysocolla-and-native-copper-in-volcanic-matrix-garut-indonesia-copy","title":"Chrysocolla and Native Copper “Copper Web” Double-Sided Garut Indonesia Specimen","description":"\u003cp\u003e\u003cspan\u003eThis double-sided specimen from Garut, West Java, Indonesia has an intricate branching network of native copper. Both polished faces display blue and green mineralization interwoven with copper-colored and lavender-gray metallic-looking ribbons. Dark burgundy-red areas, orange accents, and white borders around small cavities add contrast and depth.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe blue-green portions are consistent with chrysocolla-bearing silica, potentially including chalcedony and common opal. Copper-orange metallic exposures are consistent with native copper. An associated lavender-gray phase remains unidentified. Cuprite is a possibility in some reddish areas, while orange-yellow patches may include iron oxide or oxyhydroxide staining. These accessory constituents have not been laboratory confirmed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe surrounding gray-green volcanic matrix is interpreted as altered tuff. Each face reveals a different cross-section of the mineralized network, making the specimen rewarding to examine from either side.\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: 40 g\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eDimensions: Approximately 70 × 50 × 7 mm\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eFinish: Polished on both faces\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eSpecimen No.: 16124\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe exact specimen shown is offered. Handle carefully around the tapered tip and open cavities.\u003c\/span\u003e\u003c\/p\u003e","brand":"OLD EARTH MINERALS","offers":[{"title":"Default Title","offer_id":41021900161153,"sku":"1612440","price":80.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/9433\/1777\/files\/IMG_4659.jpg?v=1793547760","url":"https:\/\/oldearthminerals.com\/products\/chrysocolla-and-native-copper-in-volcanic-matrix-garut-indonesia-copy","provider":"OLD EARTH MINERALS","version":"1.0","type":"link"}