Kogarkoite
Pabst A, Sharp W N
American Mineralogist 58 (1973) 116-127
Kogarkoite, a new natural phase in the system Na2SO4 - NaF - NaCl
_database_code_amcsd 0000305
4.846 4.846 4.846 91.80 91.80 91.80 R3m
atom    x    y    z
Na     .5   .5    0
S    .496 .496 .496
O1   .315 .315 .315
O2   .671 .671 .325
F       0    0    0