Boracite

  
Origin: Sonderhausen, Thuringia, Germany
Owner: Lou Perloff
Microscopic image
 
 
 

Photo courtesy of: 

Lou Perloff

Photo-Atlas of Minerals

 

A greenish crystal of boracite (a cube modified by tetrahedra faces) on anhydrite
A greenish crystal of boracite (a tetrahedron modified by cube and dodecahedra faces) on anhydrite
Origin: Bernburg, Saxony-Anhalt, Germany
Picture size 10 mm (top), 7 mm (bottom)
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

  
Origin: Sondershausen Thueringen, Harz Mtns., Germany
Sample size: 3 x 2.5 x 1 cm
 
  
Origin: Schildstein, Luneberg, Germany
Sample size: 2.4 x 2 x 1.3 cm
 
Origin: Boulby Potash Mine, Yorkshire, England
Sample size: 3.1 x 1.7 x 1.4 cm
 
  
  
Origin: Boulby Mine, Loftus, Cleveland, England
Sample size: 4.8 x 2.4 x 1.9 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
 
  
Boracite with sylvite
Origin: Boulby mine, Loftus, Cleveland, England
Sample size: 3 x 3.5 x 4.5 cm (top), 3.5 x 4 x 1.8 cm (bottom)
 
  
Origin: Boulby Mine, Loftus, Cleveland, England, UK
Sample size: 5.7 x 3 x 3.5 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

  
Origin: Boulby Potash mine, Loftus, Cleveland, England
Sample size: 4 x 3 x 2 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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