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Copper
Copper, 10 cm, from the Central Exploration mine, Keweenaw County, Michigan. I found this in the early 2000s during Keweenaw Week.
Product details
Species
SizeSmall Cabinet
Dimensions10.0 cm
Locality
Central Exploration mine, Keweenaw County, Michigan
Publications
- Mineralogical Record Self Collected Minerals page 55
Added on02/13/2026
Comments
Known provenance
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