Bornite

  
Origin: Redruth, Cornwall, England
Sample size: 3.9 x 2.4 x 2.0 cm
 
  
Bornite on quartz
Bornite with calcite
  
Origin: Dzeshkazghan, Kazakhstan
Sample size: 3.8 x 2.4 x 1.5 cm (top), 2.8 x 2.6 x 1.4 cm (2nd row), 3.5 x 2.5 x 1.5 cm (bottom)
 
  
Bornite on quartz
Origin: St. Louis Mine, Butte, Montana, U.S.A.
Sample size: 7.4 x 5 x 5 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Bornite with pyrite and quartz
Origin: Leonard mine, Butte, Butte district, Silver Bow Co., Montana, U.S.A.
Sample size: 6.5 x 4.5 x 1.5 cm
 
  
  
Origin: Dzhezkazgan, Zhezqazghan Oblysy (Dzezkazgan Oblast'; Dzhezkazgan Oblast'; Djezkazgan Oblast'; Jezkazgan Oblast'), Kazakhstan
Sample size: 3.5 x 4.2 x 5.5 cm
 
  
  
Bornite with calcite
Origin: Itauz Mine, Zhezqazghan Oblysy (Dzezkazgan Oblast'; Dzhezkazgan Oblast'; Djezkazgan Oblast'; Jezkazgan Oblast'), Kazakhstan
Sample size: 19.5 x 16 x 7.2 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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