Rauvite

  
Purplish brown grains in sandstone
  
Purplish brown coating
Origin: Monument #2 mine, Apache Co., Utah, United States
Eaton Collection
Sample size: 7.5 x 5 x 3 cm (top left), 4.5 x 3.5 x 1 cm (top right), 7 x 6 x 2.5 cm (bottom)
 
  
Purplish to brown cement with in fine grained sandstone
Origin: Monument #1 mine, Apache Co., Utah, United States
Sample size: 10 x 8 x 5 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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