Brewsterite

  
Origin: ?
Sample size: ?
 
  
Colourless, translucent, stubby prismatic crystals 1 mm long
Origin: Strontian, Argyllshire, Scotland
Sample size: 5 x 5.5 x 4 cm
 
  
 
  
Origin: Whitesmith Mine, Strontian, Argyllshire, Scotland
Sample size: 6 x 3.5 x 3 cm (top), 4 x 2.5 x 2 cm (bottom)
 
  
Origin: Bellsgrove mine, Strontian, Argyllshire, Scotland (type locality)
Ex. Polak collection
Sample size: 7 x 3 x 2 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

     
 
     
Numerous slender prisms of white to grayish-white, transparent brewsterite. Some crystals up to 2 mm long
Origin: Whitesmith Mine, Strontian, Argyll, Great Britain
Sample size: 5.6 x 7.5 cm (top), 3.9 x 4.7 cm (bottom)
 

Photo courtesy of: 

John Veevaert, Trinity Minerals Co

Trinityminerals.com

 

  
 
  
 
  
 
  
Origin: Yellow Lake, Olala, British Columbia, Canada
Sample size: 4 x 2.5 x 1.6 cm (top), 4.5 x 3.8 x 1.8 cm (2nd row), 6.8 x 6.2 x 3.3 cm (3rd row), 6.2 x 5.2 x 3.1 cm (bottom)
 
  
Origin: Strontian, Argyllshire, England
Ex. Ernie Schlichter collection
Sample size: 3.2 x 3.1 x 2.7 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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