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Copper
Copper, 8 cm with crystals to 2 cm, from Keweenaw County, Michigan. Ex Terry Szenics and F. F. Cole (California Institute of Technology) collections; Breck Kent photo.
Unknown Owner
Product details
Species
Locality
Publications
- Mineralogical Record Mineral Collections In American Northeast page 310
Added on02/13/2026
Comments
Known provenance
Unknown date
Unknown Owner
Not disclosed—Species and Locality Wiki Pages
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