Bournonite - image 1
Photo by Jeff Scovil

Bournonite

A

Alexander Schauss
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Bournonite, 2.4 cm, from Yaogangxian, Yizhang County, Chenzhou, Hunan, China. Ex Mike Bergmann. Displayed at the 2013 Crystalline Treasures: The Mineral Heritage of China exhibit at the Flandrau Science Center and Planetarium, University of Arizona. Jeff Scovil photo.

Product details

Species
BournoniteAbout Bournonite →
SizeThumbnail
Dimensions2.4 cm
Added on02/13/2026
Locality
China, Hunan, Yaogangxian MineRegional guide →
Publications
  • Mineralogical Record Refined Elegance page 90

Known provenance

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