(K.8Na.2)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: r55597, T = 650 C, P = 7.7 kbar, cell volume = 240.29 ang**3 _database_code_amcsd 0003261 6.2170 6.2170 6.2170 90 90 90 Fm3m atom x y z occ K 0 0 0 .8 Na 0 0 0 .2 Cl .5 .5 .5