Uranocircite

  
Origin: Assuncao Mine, Aldeia Nova, Ferreira de Aves, Viseu District, Portugal
Sample size: 3.7 x 2.5 x 2.3 cm
 
  
Origin: Bergen, Vogtland, Germany
Sample size: 2.4 x 2.4 x 1.7 cm
 
  
Origin: Sao Pedro Mine, Malacacheta, Minas Gerais, Brazil
Sample size: 3.0 x 2.9 x 1.8 cm
 
  
  
Uranocircite on penetration twinned dolomite
Origin: Serra das Equas, Bahia, Brazil
Sample size: 3.5 x 3.0 x 2.2 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Origin: Tirschenreuth, Bavaria, Germany
Sample size: 6 x 4 x 4 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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