Parafransoletite

  
 
  
 
  
bladed  Parafransoletite crystals with roscherite and hurlbutite on beryl matrix
  
 
  
Origin: Tip Top mine, Pennington Co., South Dakota, U.S.A.
Sample size: 1.5 x 1.5 cm x 6 mm, , crystals less than 0.5 mm (top), 1 cm x 7 mm x 5 mm, crystals less than 0.5 mm (2nd row), 2 x 1 cm x 3 mm, crystals less than 0.5 mm (3rd row), bladed crystals to about 0.25 mm on red roscherite (4th row left), bladed crystals to about 0.25 mm on red roscherite (4th row right), about 1 mm across (bottom left), about 0.75 mm (bottom right)
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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