Goethite

  
  
Goethite pseudomorph after pyrite
Origin: Pelican Point, Utah County, Utah, U.S.A.
Ex. Richard Hauck collection
Sample size: 6.6 x 6.0 x 6.0 cm
 
  
  
Goethite with smoky quartz
Origin: Lake George, Park Co., Colorado, U.S.A.
Ex. Ed Ruggiero collection
Sample size: 7.0 x 5.7 x 3.0 cm
 
  
Origin: Nandan, Guangxi Province, China
Sample size: 10 x 5.5 x 3 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Goethite pseudomorph after cassiterite (?) and beryl on muscovite
Origin: Mt Xuebaoding (Mt Xuebaodiang), Huya, Pingwu district, Mianyang Prefecture, Sichuan Province, China
Sample size: 21 x 12 x 9 mm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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