Bournonite
Unknown Owner
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Several impressive, classic, tabular, "cogwheel"-shaped, gun metal color crystals to just over 5 cm, aesthetically sitting atop dark orange-brown Sphalerite crystals on ore matrix. Ex. Richard Kosnar Collection.
Product details
SpeciesBournonite
SizeCabinet
Dimensions10.3 x 5.8 x 5.7 cm
Added on10/23/2024
LocalityFrance, Occitanie, Les Malines District
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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