(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: r54879, T = 500 C, P = 10.1 kbar, cell volume = 223.91 ang**3
      _database_code_amcsd 0003280

      CELL PARAMETERS:    6.0724   6.0724   6.0724   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    223.914
      Density (g/cm3):      2.020
      MAX. ABS. INTENSITY / VOLUME**2:      32.86898873    
      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        3.0362    2   0   0         6
                42.09         62.72        2.1469    2   2   0        12
                52.18         19.11        1.7530    2   2   2         8
                61.04          7.88        1.5181    4   0   0         6
                69.19         19.58        1.3578    4   2   0        24
                76.92         13.36        1.2395    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.