Covellite

  

 

  

Origin: Butte, Montana, U.S.A.

Sample size: 12.2 x 8.4 x 6.3 cm (top/2nd row), 9.1 x 6.7 x 6.1 cm (bottom)

 

  

Covellite with brassy chalcopyrite

  

Ex. George Elling collection

Origin: Summitville, Colorado, U.S.A.

Sample size: 10 x 6.8 x 2 cm (top), 4.5 x 3.5 x 0.7 cm (2nd/bottom row)

 

  

Covellite with pyrite

Origin: Leonard Mine, Butte, Silverbow County, Montana, U.S.A.

Sample size: 5.7 x 4.5 x 2.8 cm

 

  

Covellite with pyrite

Origin: Butte, Silver Bow Co., Montana, U.S.A.

Ex. George Elling collection

Sample size: 6.0 x 4.3 x 3.2 cm

 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone