Goethite

  
Origin: Garland County, Arkansas, U.S.A.
Sample size: 2.6 x 1.8 x 0.8 cm
 
  
 
  
Goethite pseudomorph after marcasite
Origin: Gascoyne River, Mooka Station, Western Australia, Australia
Sample size: 5.6 x 4.4 x 3.8 cm (top), 6.1 x 6.0 x 5.4 cm (bottom)
 
  
Origin: Errington Pit Mine, Atikoken, Ontario, Canada
Ex Marty Lewadny Collection
Sample size: 9.5 x 5.3 x 4.8 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Goethite pseudomorph after pyrite
Origin: N'Chwaning II Mine, N'Chwaning Mines, Kalahari Manganese Fields, Northern Cape Province, South Africa
Sample size: 4.3 x 3.5 x 2.8 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

  
Origin: Ouro Preto, Minas Gerais, Brazil
Ex. Dave Douglass collection
Sample size: 7 x 6 x 5 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

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