Copper
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Copper crystal, 2.5 cm (dodecahedron modified by a hexoctahedron), from the Ahmeek #2 mine, Ahmeek, Keweenaw County, Michigan (CM27022). Acquired from Gilbert Gauthier in 1993; Debra L. Wilson photo.
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Species
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Dimensions2.5 cm
Added on02/13/2026
Locality
Publications
- Mineralogical Record Mineral Collections In American Northeast page 68
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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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