(K.1Na.9)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: b&w, T = 25 C, P = 0.0 kbar, cell volume = 186.59 ang**3
      _database_code_amcsd 0003393

      CELL PARAMETERS:    5.7143   5.7143   5.7143   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    186.590
      Density (g/cm3):      2.137
      MAX. ABS. INTENSITY / VOLUME**2:      30.67323316    
      RIR:      4.673
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.03          6.30        3.2992    1   1   1         8
                31.31        100.00        2.8572    2   0   0         6
                44.86         61.29        2.0203    2   2   0        12
                53.16          1.58        1.7229    3   1   1        24
                55.72         18.38        1.6496    2   2   2         8
                65.32          7.50        1.4286    4   0   0         6
                74.22         18.59        1.2778    4   2   0        24
                82.74         12.79        1.1664    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.