(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: als11k60, T = 600 C, P = 0.0 kbar, cell volume = 242.91 ang**3
      _database_code_amcsd 0003287

      CELL PARAMETERS:    6.2395   6.2395   6.2395   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    242.912
      Density (g/cm3):      1.862
      MAX. ABS. INTENSITY / VOLUME**2:      30.32415498    
      RIR:      5.303
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.61        100.00        3.1198    2   0   0         6
                40.91         63.76        2.2060    2   2   0        12
                50.68         19.64        1.8012    2   2   2         8
                59.24          8.14        1.5599    4   0   0         6
                67.08         20.25        1.3952    4   2   0        24
                74.50         13.76        1.2736    4   2   2        24
                88.68          3.96        1.1030    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.