(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: als3k70, T = 550 C, P = 0.0 kbar, cell volume = 247.23 ang**3 _database_code_amcsd 0003269 6.2763 6.2763 6.2763 90 90 90 Fm3m atom x y z occ K 0 0 0 .7 Na 0 0 0 .3 Cl .5 .5 .5