Bournonite, Ferberite

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Bournonite and ferberite, 10.8 cm, from the Yaogangxian mine, Yizhang County, Chenzhou, Hunan Province, China. Photo by Tom Spann.

Product details

SizeCabinet
Dimensions10.8 cm
Added on02/13/2026
Publications
  • Mineralogical Record Mineral Collecting In Texas page 278

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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.