(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: als6k60, T = 600 C, P = 0.0 kbar, cell volume = 242.45 ang**3
      _database_code_amcsd 0003289

      CELL PARAMETERS:    6.2355   6.2355   6.2355   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    242.445
      Density (g/cm3):      1.866
      MAX. ABS. INTENSITY / VOLUME**2:      30.38232479    
      RIR:      5.303
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.63        100.00        3.1177    2   0   0         6
                40.94         63.74        2.2046    2   2   0        12
                50.72         19.62        1.8000    2   2   2         8
                59.28          8.14        1.5589    4   0   0         6
                67.13         20.23        1.3943    4   2   0        24
                74.56         13.75        1.2728    4   2   2        24
                88.75          3.96        1.1023    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.