Calcite on Copper

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Calcite on copper, 6.7 cm, from the Quincy mine, Hancock, Houghton County, Michigan. Joe Budd photo.

Product details

SpeciesCopper, Calcite
SizeSmall Cabinet
Dimensions6.7 cm
Added on02/13/2026
Publications
  • Mineralogical Record Mineral Collections In Pacific Northwest page 71
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Copper
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.
Copper
Regional guide
Copper from Quincy Mine
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Locality guide
Quincy Mine
Quincy Mine, USA — Keweenaw locality famed for native copper in glassy calcite, peach-to-orange inclusions, arborescent copper, and datolite nodules prized by…