Tyuyamunite

  
Bright, vivid rosettes to 0.5 mm, associated with probable tangeite.
Origin: Ridenour mine, Coconino Co., Arizona, United States
Sample size: 5 x 3 x 3 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  
 
  
  
Origin: Marie Mine, Carbon Co., Montana, U.S.A.
Sample size: 4.8 x 4.0 x 2.7 cm (top/2nd row), 4.1 x 2.8 x 2.5 cm (3rd/bottom row)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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