(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: r54827, T = 600 C, P = 18.8 kbar, cell volume = 216.54 ang**3
      _database_code_amcsd 0003293

      CELL PARAMETERS:    6.0050   6.0050   6.0050   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    216.540
      Density (g/cm3):      2.089
      MAX. ABS. INTENSITY / VOLUME**2:      33.96532883    
      RIR:      5.295
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                29.76        100.00        3.0025    2   0   0         6
                42.58         62.29        2.1231    2   2   0        12
                52.81         18.90        1.7335    2   2   2         8
                61.80          7.78        1.5013    4   0   0         6
                70.08         19.32        1.3428    4   2   0        24
                77.94         13.22        1.2258    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.