Mineral Information and Data:

Galeite
Na15(SO4)5ClF4 [CNMNC approved formula]

Named for William Alexander Gale (1898-1985), Director of Research of the American Potash and Chemical Corporation.

IMA status : Approved Species 1955 ()
CLASSIFICATION 
Dana
(8th edition) :
30.01.08.01  
  (30) Anhydrous Sulfates Containing Hydroxyl or Halogen
  (30.01) where (A B)m (XO4)p Zq where m:p>2:1
  (30.01.08)
  
Nickel-Strunz
(10th edition) :
07.BD.10
  (07) Sulfates (selenates, tellurates, chromates, molybdates, wolframates)
  (07.B) Sulfates (selenates, etc.) with Additional Anions, without H2O
  (07.BD) With only large cations
  
Crystal system: Trigonal System
Point group (H-M): 3m — ditrigonal-pyramidal
  
  
  

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