$1,250Median
93Sold (12 mo)
$500Last sale
Bournonite on Pyrite
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Bournonite on pyrite, 3.3 cm, from the Machacamarca mine, Cornelia Saavedra Province, Potosi Department, Bolivia. Ex Brian Kosnar, ex Mike Bergmann; Jeff Scovil photo.
Product details
SpeciesBournonite, Pyrite
SizeMiniature
Dimensions3.3 cm
Added on02/13/2026
LocalityBolivia, Potosí, Machacamarca Mine
Publications
- Mineralogical Record Refined Elegance page 121
Previous owners
| Date | Collector | Acquisition price |
|---|---|---|
| — | Mike Bergmann | Not disclosed |
| — | Brian Kosnar (Mineral Classics) | Not disclosed |
Learn more
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
Comments