Copper-in-Calcite crystal on Copper

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Copper in calcite, 3.1 cm, from the Kearsarge mine, Houghton County, Michigan. Ralph Clark collection, ex Minette collection; Jeff Scovil photo.

Product details

SpeciesCopper, Calcite
SizeMiniature
Dimensions3.1 cm
Added on02/13/2026
Publications
  • Mineralogical Record Volume: 43, Issue: 2 page 235
  • Mineralogical Record Mineral Collections In Arizona page 190
  • Mineralogical Record Refined Elegance page 34
Current owner

Added by the community · Not a registered member

Previous owners
DateCollectorAcquisition price
—James MinetteNot disclosed
—Ralph ClarkNot disclosed

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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 Kearsarge Mine
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Locality guide
Kearsarge Mine
Kearsarge Mine, USA: a Lake Superior copper locality famed for native copper and notable native silver, prehnite-lined vugs, and striking crystalline silver fo…