(K.4Na.6)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: r57204, T = 550 C, P = 22.9 kbar, cell volume = 200.36 ang**3
_database_code_amcsd 0003324
5.8515 5.8515 5.8515 90 90 90 Fm3m
atom  x  y  z occ
K     0  0  0  .4
Na    0  0  0  .6
Cl   .5 .5 .5