Bariandite

Bariandite on montroseite
Origin: Paradox Valley, Montrose Co., California, U.S.A.
Sample size: 6 x 4.5 x 2 cm with black, micro crystals throughout
 
  
Greenish brown crusts or acicular crystals to less than 0.1 mm.
Origin: Pandora mine, near La Sal, San Juan Co., Utah, United States
Sample size: 5 x 4 x 2 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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