Copper, Calcite
Help improve this recordNo owner is registered for this specimen yet. If it's yours or you know more about it, you can add the owner, provenance, publications and other details.
Copper and calcite, 10.1 cm, from the Quincy mine, Hancock, Houghton County, Michigan. The Quincy mine operated for 97 years (1848–1945), and was named for Quincy, Massachusetts, the home town of some of the investors. Mined to a depth of more than a mile, it produced 424,000 tons of native copper. Specimens of calcite with included copper were highly prized by collectors.
Product details
Species
SizeCabinet
Dimensions10.1 cm
Added on02/13/2026
Locality
Publications
- Mineralogical Record Mineral Collection University Of Delaware page 25
Learn more
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
Comments