(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: als8k60, T = 650 C, P = 0.0 kbar, cell volume = 245.25 ang**3
      _database_code_amcsd 0003296

      CELL PARAMETERS:    6.2595   6.2595   6.2595   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    245.256
      Density (g/cm3):      1.844
      MAX. ABS. INTENSITY / VOLUME**2:      30.03526674    
      RIR:      5.303
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.52        100.00        3.1298    2   0   0         6
                40.77         63.88        2.2131    2   2   0        12
                50.51         19.70        1.8070    2   2   2         8
                59.03          8.17        1.5649    4   0   0         6
                66.84         20.33        1.3997    4   2   0        24
                74.22         13.81        1.2777    4   2   2        24
                88.33          3.96        1.1065    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.