Bournonite from UK, England, Cornwall, Lanreath, Herodsfoot Mine - image 1

Bournonite from UK, England, Cornwall, Lanreath, Herodsfoot Mine

Cluster of perfectly formed cogwheels of Bournonite with a druse of Quartz crystals on the left side

Product details

SpeciesBournonite, Quartz
SizeMiniature
Dimensions2.5 x 5.0 x 2.5 cm
Added on02/17/2026
LocalityUK, England, Herodsfoot Mine
RepairsNone
Current owner
Jared Draut
Jared Draut
Mesa, Arizona
Acquired
Feb 2025

Owner’s note

I Acquired this Specimen from Dan Zellner of Dan Z Fine Minerals at the 2025 Mineral City Show

Member since 2025
Previous owners
DateCollectorAcquisition price
—Harold EalesNot disclosed
—Martin EhrmannNot disclosed

Learn more

Bournonite
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.
Bournonite
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
Herodsfoot Mine
Herodsfoot Mine, UK: historic Cornish locality yielding bournonite and tetrahedrite on quartz; classic cabinet pieces prized by collectors.