Colemanite

  
  
 
  
  
Origin: Thompson Mine, Borax Pit #1, Death Valley, Inyo Co., California, U.S.A.
Sample size: 6.6 x 4.4 x 3.6 cm (top/2nd row), 3.9 x 2.7 x 2.0 cm (3rd/4th/bottom row)
 
  
  
Colemanite with light yellow calcite
Origin: U.S. Borax Pit, Death Vallley, Inyo Co., California, U.S.A.
Ex. Charlie Freed collection
Sample size: 5.1 x 4.5 x 3.5 cm
 
  
Origin: Thompson Mine, Kern Co., California, U.S.A.
Sample size: 8.6 x 6.2 x 4.1 cm
 
  
 
  
Ex. Charlie Freed collection
Origin: Thompson Mine, Death Valley, California, U.S.A.
Sample size: 10.3 x 8.3 x 6.4 cm (top), 6.0 x 3.8 x 3.7 cm (2nd/bottom row)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Origin: Boron, Kern Co., California, U.S.A.
Sample size: 8 x 6.5 x 2.4 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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