Copper
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Copper, 19 cm, from Hancock, Houghton County, Keweenaw Peninsula, Michigan. Ex collection of Albert F. Holden and Dan E. Mayers; James Elliott photo.
Product details
Species
SizeLarge Cabinet
Dimensions19.0 cm
Added on02/13/2026
Locality
Publications
- Mineralogical Record Mineral Collections In American Northeast page 446
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| — | Dan E. Mayers | Not disclosed |
| — | Albert F. Holden | 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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