Phosphosiderite

  
  
Raspberry red crystals to 2 mm linging vugs with wicksite(?) and black barbosalite.
Origin: Bull moose mine, Custer Co., South Dakota, United States
Ex. Grenier, Cureton and Willard Roberts collections
Sample size: 12 x 9 x 7 cm
 
  
 
  
Reddish-purple, short prismatic phosphosiderite crystal to 3 mm long with natrojarosite
Origin: near Boa Vista Creek, Galileia, Minas Gerais, Brazil
Sample size: 2.5 x 2 x 3 cm (top), 3 x 2.5 x 2.5 cm (bottom)
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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