Bournonite
Unknown Owner
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This is fine specimen of Bournonite from Bolivia. This piece hosts an attractive, sharp, somewhat blocky, metallic, silvery-grey color, lustrous, "cogwheel"-shaped crystal group measuring 2.0 x 1.9 cm sitting atop Pyrite matrix with minor associated micro Quartz. This specimen is from a find last year in Bolivia (2008) .
Product details
SpeciesBournonite
SizeMiniature
Dimensions4.3 x 4.0 x 3.9 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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