Goethite

  
Iridescent goethite on quartz
Origin: Graves Mountain, Lincoln County, Georgia, U.S.A.
Ex. Marty Lewadny collection
Sample size: 5.2 x 4.1 x 3.1 cm
 
  
  
Origin: Nantan, Guangdong Province, China
Sample size: 14.5 x 10.3 x 6.2 cm
 
  
Goethite pseudomorph after calcite
Origin: Santa Eulalia, Chihuahua, Mexico
Sample size: 7.7 x 6.2 x 4.9 cm
 
  
  
Origin: Lake George, Colorado, U.S.A.
Sample size: 7.4 x 7.3 x 5.2 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
  
Origin: Steep Rock Iron Mine, Atikokan, Hutchinson Township, Rainy River District, Ontario, Canada
Sample size: 13.5 x 6 x 4.8 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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