Bournonite
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Bournonite, 4.5 cm, from the Viboras Vein, Machacamarca mine, Cornelio Saavedra Province, Potosí Department, Bolivia; 2009–2010 find. Robert Brandstetter photo.
Product details
SpeciesBournonite
SizeMiniature
Dimensions4.5 cm
Added on02/13/2026
LocalityBolivia, Potosí, Cerro de Potosí
Publications
- Mineralogical Record Mineral Collections In Austria page 93
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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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