Goethite

  
Origin: Lake George, Park Co., Colorado, U.S.A.
Sample size: 6.4 x 4.5 x 3.6 cm
 
  
Goethite pseudomorph after siderite with acicular reddish brown rutile crystals to 5 mm on one edge
Origin: Hiddenite, Alexander Co., North Carolina, U.S.A.
Ex. Scott Williams collection
Sample size: 4 x 1.8 x 3 cm
 
  
  
Origin: Montreal Mine, Montreal, Iron Co., Wisconsin, U.S.A.
Sample size: 11.7 x 10.6 x 10.4 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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