Colemanite

  
 
  
 
  
 
  
 
  
  
 
  
Colemanite with twins
Origin: Mustafakemalpascha Mine , Western Anatolia Prov., Turkey
Sample size: 5 x 3.4 x 1.5 cm (top/2nd row), 4.1 x 3.4 x 2.5 cm (3rd/4th row), 7.7 x 3.9 x 3.2 cm (5th/6th row), 9.7 x 4.9 x 3.1 cm (7th/8th row), 8.5 x 8.4 x 4.2 cm (9th/10th row), 7.5 x 5.5 x 5.3 cm (bottom)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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