Blatonite

  
 
  
Micro yellow fibers to 0.5 mm with minor uranopilte.
Origin: Jomac mine, San Juan Co., Utah, United States (type locality)
Sample size: 6 x 5.5 x 1 cm, crystal to 0.75 mm (top), 2.5 x 2.5 x 1 cm (2nd row), 10 x 9 x 2 mm (bottom)
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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