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Copper
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
Locality
Hancock, Houghton County, Keweenaw Peninsula, Michigan
Publications
- Mineralogical Record Mineral Collections In American Northeast page 446
Added on02/13/2026
Comments
Known provenance
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