(K.9Na.1)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 = 242.35 ang**3 _database_code_amcsd 0003230 6.2347 6.2347 6.2347 90 90 90 Fm3m atom x y z occ K 0 0 0 .9 Na 0 0 0 .1 Cl .5 .5 .5