Description
The image you see is the specimen you will receive. Raw rough native copper from Michigan. .2 ounces and measures 2.50 inches in length X 1.25 inches wide X .25 high.
Most of the world’s copper comes from the minerals chalcopyrite and chalcocite. Chrysocolla and malachite also are mined for copper. Other copper-bearing minerals include atacamite, azurite, bornite, brochantite, cuprite (copper oxide), dioptase, rosasite and tetrahedrite.
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