Bournonite
Unknown Owner
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This piece is a lovely, sharp, lustrous, silvery-grey color, somewhat "cogwheel"-shaped crystal group.
Product details
SpeciesBournonite
SizeMiniature
Dimensions2.7 x 2.3 x 2.2 cm
Added on10/23/2024
LocalityBolivia, Potosí, Machacamarca Mine
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 08/2024 | Unknown Owner | Not disclosed |
| — | The Arkenstone | Not disclosed |
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Mineral guide
Learn about Bournonite
steel-gray to black sulfosalt famed for cogwheel twinning and metallic luster; prized by collectors for iconic gears and historic localities.Regional guide
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