(K.2Na.8)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: r53589, T = 640 C, P = 19.0 kbar, cell volume = 190.46 ang**3 _database_code_amcsd 0003381 5.7535 5.7535 5.7535 90 90 90 Fm3m atom x y z occ K 0 0 0 .2 Na 0 0 0 .8 Cl .5 .5 .5