two red, white and blue marble tears on a black stone surface with dark clouds in the background
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Chrysocolla Wood minerals Multicolor Pair Cabochons

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Chrysocolla has a cyan (blue-green) color and is a minor ore of copper, having a hardness of 2.5 to 7.0. It is of secondary origin and forms in the oxidation zones of copper ore bodies. Associated minerals are quartz, limonite, azurite, malachite, cuprite, and other secondary copper minerals. It is typically found as botryoidal or rounded masses and crusts, or vein fillings. A 2006 study has produced evidence that chrysocolla may be a microscopic mixture of the copper hydroxide mineral spertiniite, amorphous silica and water.[6][1] Size 25 x 14 x 3 mm Weight 4 grams
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