Copper
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Collector’s EdgeFeatured
Colorado is not well known for native copper. Only a handful of localities have produced specimens of note. The Cashin Mine, near the CO/UT border in Montrose County is the most prolific. This is a rich and relatively large example for the mine, with great aesthetics. Self standing as pictured.
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Mineral guide
Learn about Copper
native copper with spinel-twinned crystals and arborescences; notable from Lake Superior, Itauz, Dongchuan, Corocoro, prized for color and localities.Regional guide
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