$500Median
608Sold (12 mo)
$70Last sale
Calcite on Copper; Calcite twin over Calcite phantom on Copper
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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
SizeSmall Cabinet
Dimensions6.4 x 4.4 cm
Added on02/13/2026
LocalityUSA, Michigan, Quincy Mine
Publications
- Mineralogical Record Mineral Collections In American Northeast page 329
Previous owners
| Date | Collector | Acquisition price |
|---|---|---|
| — | Clarence S. Bement | Not disclosed |
| — | Robert Rann | Not disclosed |
| — | William Prychodko | Not disclosed |
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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
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