Copper with Tenorite
Unknown Owner
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Crystallized native copper, this coated with tenorite, coming off matrix. In good condition.The Old Colony Mine in Houghton County, Michigan was part of the Keweenaw Peninsula copper district, a region famous for native copper deposits hosted in basalt and conglomerate rock. The mine was developed in the late 19th century and worked underground
Product details
SpeciesCopper
SizeMiniature
Dimensions4.5 x 3.0 x 1.5 cm
Added on03/12/2026
LocalityUSA, Michigan, Houghton County
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 03/2026 | Unknown Owner | $35.00 |
| — | Weinrich Minerals | Not disclosed |
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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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