Bournonite
Unknown Owner
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Nice Bournonite specimen coming from a recent find in the Canutillos mine. It comprises a metalic silver twinned crystal of Bournonite with very well defined faces and edges and with the classic cogwheel cyclic twinning. The piece is in excellent condition, without damage. Watch video.
Product details
SpeciesBournonite
SizeSmall Cabinet
Dimensions4.5 x 7.0 cm
Added on06/16/2025
LocalityBolivia, Potosí, Machacamarca mining district
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 08/2026 | Unknown Owner | Not disclosed |
| — | MChMinerals | 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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