Learn about Copper
native copper with spinel-twinned crystals and arborescences; notable from Lake Superior, Itauz, Dongchuan, Corocoro, prized for color and localities.Tsumeb Mine
Tsumeb Mine, Namibia - a classic locality famous for dramatic color contrasts and a vast mineral range, from azurite and malachite to dioptase and cerussite.
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