Bournonite

  

 

  

  

Bournonite with pyrite

Origin: Viboras section (vein), Machacamarca Mine, near Colavi, Dept. Potosi, Bolivia

Sample size: 4.2 x 3.5 x 2.8 cm

 

  

  

Bournonite on chalcopyrite

Origin: Baia Sprie, Maramures, Romania

Sample size: 6 x 5.3 x 1.2 cm

 

Origin: Mines des Malines, Gard, France

Sample size: 2.8 x 1.5 x 1.3 cm

 

Photo courtesy of: 

The Arkenstone

 

  

Dozens of cogwheel twinned silvery, highly reflective crystals to 4 mm across matrix

Origin: Casapalca, , Lima Dept., Peru

Sample size: 6 x 5 x 3 cm

 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  

Bournonite "Cogwheel twin" on a matrix of quartz, ferberite and chalcopyrite

Origin: Yaogangxian Mine, Chenzhou, Chenzhou area, Hunan, Central South Region, China

Sample size: 4.5 x 3.5 x 7.5 cm

 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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