Tetrahedrite

  
 
  
  
Tetrahedrite with pyrite on quartz
Origin: Estano Horco Mine, Colavi District, Potos’ Department, Bolivia
Sample size: 10.5 x 8 x 2 cm (top/2nd row), 5.8 x 5 x 4.2 cm (3rd/bottom row)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Large plate of lustrous tetrahedrite crystals to 2.2 cm with an overgrowth of brassy chalcopyrite. In addition, small, clear quartz crystals are scattered over the tetrahedrite.
Origin: Casapalca Mine, Huarochiri Province, Lima Department, Peru
Ex. Ed. Rosenzweig collection
Sample size: 12.1 x 10.9 x 4.6 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

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