Mineral Information and Data:

Cryolithionite
Na3Al2(LiF4)3 [CNMNC approved formula]

Named for its similarity to CRYOlite and high LITHIum content.

IMA status : Valid species (Pre-IMA 1904) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
11.06.04.01  
  (11) Halide Complexes; Alumino-fluorides
  (11.06) with miscellaneous formulae
  (11.06.04)
  
Nickel-Strunz
(10th edition) :
03.CB.05
  (03) Halides
  (03.C) Complex Halides
  (03.CB) Neso-aluminofluorides
  
Crystal system: Cubic System
Point group (H-M): m3m (or 4/m 3 2/m) — hexoctahedral
  
  
  
Other Properties: Gemstone Extremely Rare.

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