Copper
Unknown Owner
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Beautifully crystallized native copper specimen, some of the crystal sharp and measuring to 0.8 cm in size. This is in super condition. This excellent old-timer comes with several labels from the A. E. Seaman Mineral Museum of Michigan Tech collection. It is quite possible the specimen was at one time part of an early curator of this collection named Jean Petermann Kemp, and prior to that in the famous John T. Reeder collection.
Product details
SpeciesCopper
SizeSmall Cabinet
Dimensions7.3 x 6.0 x 3.0 cm
Added on10/16/2025
LocalityUSA, Michigan, Central Mine
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 01/2026 | Unknown Owner | $2,500.00 |
| — | Weinrich Minerals | 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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