(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: r55365, T = 700 C, P = 19.0 kbar, cell volume = 231.71 ang**3
      _database_code_amcsd 0003266

      CELL PARAMETERS:    6.1421   6.1421   6.1421   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    231.713
      Density (g/cm3):      2.044
      MAX. ABS. INTENSITY / VOLUME**2:      34.80953843    
      RIR:      5.544
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                29.08        100.00        3.0710    2   0   0         6
                41.59         62.86        2.1716    2   2   0        12
                51.54         19.18        1.7731    2   2   2         8
                60.27          7.92        1.5355    4   0   0         6
                68.29         19.70        1.3734    4   2   0        24
                75.89         13.44        1.2538    4   2   2        24
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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.