Copper

  

  

The Copper Rose Mine was named for its unusual and interesting pseudomorphs of copper and cuprite after azurite. This specimen is nearly all copper with a light coating of cuprite which provides the reddish colour.

Origin: Copper Rose Mine, Grant County, New Mexico, U.S.A.

Sample size: 1.9 x 2.5 x 1.8 cm

 

  

  

This specimen of copper is remarkable with several distinct crystal habits. It is arborescent with extended octahedral crystals and spinel law twins. It then has small textbook hexoctahedral crystals at the tips of some of the spinel law twins and extended octahedra.

Origin: Onganja Mine, Seeis, Windhoek District, Namibia
Ex-Bill Birnie Collection

Sample size: 4 x 1.5 x 1.2 cm

 

Photo courtesy of: 

 

     

Origin: Lake Superior, Copper District, Keweenaw Peninsula, Michigan, U.S.A.

Sample size: 11 x 4.5 x 2.2 cm

 

  

  

Copper-hematite pseudomorph after aragonite

Origin: Corocoro, La Paz Dept., Bolivia

Ex. Ken Hollman collection

Sample size: 2.5 x 2.4 x 2.3 cm

 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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