Thorite

A small brown grain of thorite
Origin: A4 highway tunnel, Thiemendorf, Königshain, Oberlausitz, Saxony, Germany
Picture size: 1 mm
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

Redbrown massive thorite
Origin: Quarry Holy Vrch, Vlastejovice, Bohemia, Czech Republic
Sample size: thumbnail
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
Penetration twin
Origin: Ambatofotsy, Antananarivo Province, Madagascar
Sample size: 1.6 x 1.4 x 1.3 cm
 
  
  
 
  
Origin: Kemp Uranium Mine, Cheddar, Bancroft area, Ontario, Canada
Sample size: 2.2 x 1.7 x 1.3 cm (top/2nd row), 2.9 x 2.3 x 2.0 cm (3rd/bottom row)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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