Bournonite

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Bournonite, 6.1 cm, Herodsfoot mine, Cornwall, England; mined in 1850–1875. Ex Violet Dawson, Ed Bancroft collections. Photo by Jeff Scovil.

Product details

SpeciesBournonite

SizeSmall Cabinet

Dimensions6.1 cm

Added on02/13/2026

LocalityUK, England, Herodsfoot Mine

Publications

Mineralogical Record Private Mineral Collections In Texas page 100

Current owner

Wally Mann

Added by the community · Not a registered member

Previous owners

Date	Collector	Acquisition price
—	Ed Bancroft	Not disclosed
—	Violet Dawson	Not disclosed

Comments

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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

Bournonite from Herodsfoot Mine, Cornwall, UK

Herodsfoot Mine, Cornwall, UK — classic bournonite with cogwheel twins, dark metallic luster, often on quartz; prized for provenance and sculptural form.

Locality guide