Arsenocrandallite

  
This piece contains, snow white, powdery crusts of this mineral with bluish, grey spherules of arsenogoyazite, also of the crandallite group
  
Tiny, less than 0.3mm spherules of snow white arsenocrandallite with grey or bluish spherules of arsenogoyazite of the same size or smaller.
  
Greyish to pale blue white spherules of arsenocrandallite with much whiter, almost snow white spherules of arsenogoyazite
  
Snow white crystalline spheroids and crusts associated with a little conichalcite.
Origin: Dolores prospect, Mazarron district, Murcia Province, Spain
Sample size: 4 x 2 cm x 0.7 mm (top), 5 x 4 x 3 cm (2nd row), 4 x 2 x 2 cm (3rd row), 3 x 2.5 x 2 cm (bottom)
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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