(K.7Na.3)Cl
Walker D, Verma P K, Cranswick L M D, Jones R L, Clark S M, Buhre S
American Mineralogist 89 (2004) 204-210
Halite-sylvite thermoelasticity
Sample: b&w, T = 25 C, P = 0.0 kbar, cell volume = 228.78 ang**3
_database_code_amcsd 0003267
6.1161 6.1161 6.1161 90 90 90 Fm3m
atom  x  y  z occ
K     0  0  0  .7
Na    0  0  0  .3
Cl   .5 .5 .5