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Bournonite

$1,800.00

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3,403 for sale·Member since 2026
An impressive, stout, brilliant metallic crystal of cogwheel bournonite from the famed Yaogangxian polymetallic deposit in China. This exceptional large, single crystal exhibits striated prism faces along with pinacoid and pyramid faces that display subtle growth hillocks adding to the reflectivity. Minor edge rubbing locally and patchy less reflective areas on the backside that are inconsequential to this great piece. Ex. Paul Zerfass collection with label. Classic and fine robust, lustrous piece from the early 2000's.

Product details

SpeciesBournonite
SizeMiniature
Dimensions4.1 x 3.6 x 2.1 cm
Listed on10/23/2024
SKUMIX18C-20

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 Yaogangxian Mine, China
from Yaogangxian Mine, China: silvery gray, sharply crystallized crystals with twinning; part of a rich hydrothermal assemblage prized by collectors.