(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

      CELL PARAMETERS:    6.2170   6.2170   6.2170   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    240.294
      Density (g/cm3):      1.971
      MAX. ABS. INTENSITY / VOLUME**2:      33.58081893    
      RIR:      5.546
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.72        100.00        3.1085    2   0   0         6
                41.06         63.32        2.1980    2   2   0        12
                50.88         19.42        1.7947    2   2   2         8
                59.47          8.04        1.5543    4   0   0         6
                67.36         19.99        1.3902    4   2   0        24
                74.82         13.62        1.2690    4   2   2        24
                89.09          3.95        1.0990    4   4   0        12
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.