Colemanite

  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
Colemanite with twins
Origin: Mustafakemalpascha Mine , Western Anatolia Prov., Turkey
Sample size: 6.5 x 5 x 3.5 cm (top/2nd row), 4 x 3 x 2.4 cm (3rd/4th row), 5.4 x 3 x 1.9 cm (5th row), 3.6 x 3.4 x 2.6 cm (6th/7th row), 4.1 x 2.6 x 2.4 cm (8th/9th row), 5.5 x 3.8 x 2.7 cm (10th row), 6 x 5.3 x 3.9 cm (11th row), 4.6 x 3.7 x 3.1 cm (bottom)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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