(K.6Na.4)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: r54867, T = 650 C, P = 12.4 kbar, cell volume = 223.84 ang**3
      _database_code_amcsd 0003298

      CELL PARAMETERS:    6.0717   6.0717   6.0717   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    223.837
      Density (g/cm3):      2.021
      MAX. ABS. INTENSITY / VOLUME**2:      32.88016143    
      RIR:      5.298
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                29.42        100.00        3.0359    2   0   0         6
                42.09         62.71        2.1467    2   2   0        12
                52.19         19.11        1.7527    2   2   2         8
                61.05          7.88        1.5179    4   0   0         6
                69.20         19.58        1.3577    4   2   0        24
                76.93         13.36        1.2394    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.