Chalcopyrite

  
 
  
 
  
 
  
Chalcopyrite with galena on dolomite
  
Chalcopyrite on dolomite
Origin: Milliken (Sweetwater) mine, Viburnum Trend, Reynolds Co., Missouri, U.S.A.
Sample size: 26 x 14 x 4.5 cm (top), 25 x 17 x 9 cm (2nd row), 7.5 x 8 x 4.5 cm (3rd row), 10 x 10.5 x 5 cm (4th row), 14.5 x 4.5 x 8.5 cm (bottom)
 
  
 
  
Origin: San Pedro mine, New Placers district, Santa Fe County, New Mexico, U.S.A.
Sample size: 30 x 30 x 20 mm (top), 22 x 18 x 24 mm (bottom)
 
  
Origin: St. Agnes, Cornwall, England
Sample size: 5 x 4 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

  
  
These are some of the largest crystals of chalcopyrite I have ever seen. The largest one is 5.2 cm across at the base. The calcite is up to 5.5 cm long. the surface of the chalcopyrite is altered to malachite.
Origin: 30/32 Stope, San Pedro Mine, Golden, New Mexico, U.S.A.
Ex. Keith Hayes collection
Sample size: 12.5x11.3x5.2 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

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