Jalpaite

  
Dark silvery silver-copper sulfide mass with chrysocolla
Origin: La Mesa, Chihuahua, Mexico
Sample size: 3.5 x 2.5 x 2 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Dark grey metallic masses in matrix
Origin: La Mesa, Chihuahua, Mexico
Sample size: 2 x 2 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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