Mineral Information and Data:

Demartinite
K2SiF6 [CNMNC approved formula]

Named for Francesco Demartin (b. 1953), who has made significant contributions to the chemistry of metallic clusters and to the crystal structure of Alpine rare-earth minerals and u ranium minerals.

IMA status : Approved Species 2006 ()
CLASSIFICATION 
Dana
(8th edition) :
11.05.02.03  
  (11) Halide Complexes; Alumino-fluorides
  (11.05) where (A)m B (X)6
  (11.05.02) Malladrite Group
  
Nickel-Strunz
(10th edition) :
03.CH.20
  (03) Halides
  (03.C) Complex Halides
  (03.CH) Silicofluorides
  
Crystal system: Hexagonal System
Point group (H-M): 6mm — dihexagonal-pyramidal
  
  
  

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