Gratonite

  
Origin: Cerro de Pasco, Pasco Dept., Peru (type locality)
Ex. Fred Pough collection
Sample size: 2.5 x 1.8 x 1.5 cm
 
  
  
Origin: Excelsior Mine, Cerro de Pasco, Pasco Dept., Peru
Sample size: 1.7 x 1.7 x 1.3 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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