Goethite

  
  
Goethite pseudomorph after siderite. Ex. Don Belsher collection
  
Goethite pseudomorph after siderite. Ex. Scott Williams collection
Origin: Crystal Peak area, Park/Teller Cos., Colorado, U.S.A.
Sample size: 8.2 x 7.1 x 7.3 cm (top/2nd row), 7.6 x 5.2 x 3.3 cm (bottom)
 
  
  
Origin: Lake George, Park Co., Colorado, U.S.A.
Sample size: 3.6 x 2.3 x 6.8 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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