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Silver
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Beautifully crystallized branching twinned native silver without matrix. In super condition all around. Classic material for this locality.
The White Pine mine, located in Ontonagon County, Michigan, was a major underground copper mine operated primarily by the White Pine Copper Company, a subsidiary of Copper Range. Geologically, the deposit is unique as a sediment-hosted stratiform copper deposit, where fine-grained chalcocite and native copper mineralization occur within the Proterozoic Nonesuch Shale, specifically at the contact with the underlying Copper Harbor Conglomerate. While small-scale mining at the site began as early as 1880, modern large-scale underground development commenced in 1952, with commercial production beginning in 1954 using room-and-pillar mining methods. The operation expanded to include a massive milling, smelting, and refining complex on-site, producing billions of pounds of copper until environmental regulations and declining copper prices led to the permanent cessation of mining operations in 1995.
Product details
SpeciesSilver
SizeSmall Cabinet
Dimensions5.5 x 3.0 x 0.5 cm
Added on07/27/2026
LocalityUSA, Michigan, White Pine Mine
Current owner
Unknown Owner
- Acquired
- Sep 2026
Previous owners
| Date | Collector | Acquisition price |
|---|---|---|
| — | Weinrich Minerals | Not disclosed |
Learn more
Mineral guide
Learn about Silver
native silver with wire, leaf, and dendritic forms, bright luster and patina; prized for rare isometric crystals and iconic localities in collections.Regional guide
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