Goethite

  

Origin: Mesabi Range, Minnesota, U.S.A.

Sample size: 10.5 x 8 x 6 cm

 

  

Limonite replacing pyrite (pseudomorph)

Origin: near Sullivan, Missouri, U.S.A.

Sample size: 5.5 x 4.5 x 3.5 cm

 

  

Limonite replacing pyrite (pseudomorph) on quartz
Origin: Fat Jack mine, Yavapai Co., Arizona, U.S.A.

Sample size: 6 x 5 x 2.5 cm

 

  

Origin: Restormel Iron mine, Lanlivery, Cornwall, England

Sample size: 8.5 x 7 x 5.5 cm

 

  

Origin: Lake George, Park Co., Colorado, U.S.A.

Sample size: 8.3 x 4.6 x 5 cm

 

Photo courtesy of: 

Dealer in fine mineral specimens

 

  

  

This specimen of goethite has a 1.2 cm pseudomorph of goethite after wulfenite. There is also drusy calcite and scattered malachite on the specimen. These were found in the 42nd level of the Tsumeb mine.

Origin: Tsumeb Mine, Tsumeb, Namibia

Sample size: 5.5 x 4 x 2.6 cm
 

 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

     

Origin: Nandan, Guangxi Province, China

Sample size: 18 x 10 x 9 cm

 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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