Mineral Information and Data:

Karasugite
SrCaAlF7 [CNMNC approved formula]

Named for the localtiy: Karasug F-REE-barite-fluorite deposit, 15 km north of Karasug, western Tannu-Ola Mountains, Tuva, Siberia, Russia.

IMA status : Approved Species 1994 ()
CLASSIFICATION 
Dana
(8th edition) :
11.06.21.01  
  (11) Halide Complexes; Alumino-fluorides
  (11.06) with miscellaneous formulae
  (11.06.21)
  
Nickel-Strunz
(10th edition) :
03.CB.30
  (03) Halides
  (03.C) Complex Halides
  (03.CB) Neso-aluminofluorides
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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