Nahcolite

  
 
  
 
  
Origin: near Searles Lake, San Bernardino County, California, U.S.A.
Sample size: 12 x 10 x 4.5 cm (top), 9.5 x 8 x 4 cm (middle), 8 x 7 x 4.5 cm (bottom)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

Origin: Anvil Point, Rifle, Garfield Co., Colorado, U.S.A.
Sample size: 2.1 x 1.4 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

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