(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: als4k70, T = 500 C, P = 0.0 kbar, cell volume = 244.83 ang**3 _database_code_amcsd 0003268 6.2559 6.2559 6.2559 90 90 90 Fm3m atom x y z occ K 0 0 0 .7 Na 0 0 0 .3 Cl .5 .5 .5