Calcite on Copper; Calcite twin over Calcite phantom on Copper - image 1

Calcite on Copper; Calcite twin over Calcite phantom on Copper

W

William Severance
0 for sale
Calcite on copper, 4.4 cm, from the Quincy mine, Hancock, Houghton County, Michigan. Ex William Prychodko and Robert Rann collections (2000); Jeff Scovil photo. Complex calcite twin over calcite phantom on copper, 6.4 cm, from the Copper Falls mine, Owl Creek fissure, Keweenaw County, Michigan. Ex Clarence S. Bement collection (1900). From Stuart Wilensky (1999). Pictured in American Mineral Treasures (2008). Jeff Scovil photo.

Product details

Species
Copper, CalciteAbout Copper →
SizeSmall Cabinet
Dimensions6.4 x 4.4 cm
Added on02/13/2026
Locality
USA, Michigan, Quincy Mine
Publications
  • Mineralogical Record Mineral Collections In American Northeast page 329

Known provenance

DateCollectorAcquisition price
—Clarence S. BementNot disclosed
—Robert RannNot disclosed
—William PrychodkoNot disclosed

Learn more

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.
Regional guide
Copper from Quincy Mine
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