Copper
Unknown Owner
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Colored red by cuprite and green by malachite, this aesthetic copper specimen is extremely well crystallized. The largest copper crystal measures 4.0 cm in length. But the highlight of this specimen is the incredible, spear like, crystal, exhibiting elongated, possible tetrahexahedral twinning. This is a fine old Michigan specimen.
Product details
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 08/2024 | Unknown Owner | Not disclosed |
| — | The Arkenstone | 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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