$485Median
590Sold (12 mo)
$2,000Last sale
Copper
Help improve this record
No owner is registered for this specimen yet. If it's yours or you know more about it, you can add the owner, provenance, publications and other details.
An outstanding miniature size native copper specimen from Michigan. Very sharp and aesthetically arranged crystals, the prominent crystal 1.5 cm in size forming a cluster with minor quartz. These show a very attractive tenorite patina. Previous label as seen at the end of the video comes from the A.E. Seaman Museum, ex George B Robbe collection.George B. Robbe (1884 to 1963) was a Michigan Tech alumnus and mining engineer who worked at the Quincy Mine and later at Bingham Canyon, Utah. He and his wife assembled a significant mineral collection that included both crystallized specimens and lapidary material. After his death, the collection was donated to the A. E. Seaman Mineral Museum in the late 1960s.
Product details
SpeciesCopper
SizeMiniature
Dimensions5.0 x 2.5 x 2.5 cm
Added on04/12/2026
LocalityUSA, Michigan, Keweenaw County
Current owner
Unknown Owner
- Acquired
- Oct 2026
Previous owners
| Date | Collector | Acquisition price |
|---|---|---|
| — | Weinrich Minerals | Not disclosed |
Learn more
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
Comments