Covellite

     
This specimen is comprised of mostly pyrite with crystals of covellite with surface alterations to chalcocite.
  
 
     
This specimen is comprised of mostly pyrite with embedded crystals of covellite
Origin: Leonard Mine, Butte, Silver Bow Co., Montana, Northwest USA
Sample size: 5 x 3.2 x 3 cm (top), 7.2 x 3.9 x 3.7 cm (2nd row), 4.3 x 2.5 x 1.6 cm (bottom)
 
  
Origin: Summitville, Rio Grande County, Colorado, U.S.A.
Ex. Keith Hayes collection
Sample size: 6.0 x 2.9 x 2.9 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

  
Covellite on pyrite
Origin: Butte, Montana, U.S.A.
Sample size: 6 x 6 x 8.5 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

  
Fine micro crystals of bluish grey covellite crystals along fracture associated with azurite and malachite
Origin: Långban, Varmland, Sweden
Sample size: 3.5 x 3 x 3 cm
 
  
Origin: Butte, Silver Bow Co., Montana, United States
Sample size: 7 x 4 x 4 cm
 
  
Covellite pseudomorph after galena on mudstone matrix
Origin: Aspermont, Stonewall Co., Texas, United States
Ex. kidwell collection
Sample size: small cabinet
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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