AM_Kogarkoite
Formula:
Na3 S O4 F
Name:
Kogarkoite
Unit cell:
4.846 4.846 4.846 91.8 91.8 91.8 , V=113.63
Space group:
R3M (160)
Pabst A , Sharp W N , American Mineralogist , 58 (1973) p.116-127, Kogarkoite, a new natural phase in the system Na2SO4 - NaF - NaCl