(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: r54871, T = 700 C, P = 12.4 kbar, cell volume = 225.57 ang**3
      _database_code_amcsd 0003302

      CELL PARAMETERS:    6.0873   6.0873   6.0873   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    225.566
      Density (g/cm3):      2.005
      MAX. ABS. INTENSITY / VOLUME**2:      32.63221847    
      RIR:      5.299
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                29.34        100.00        3.0436    2   0   0         6
                41.98         62.81        2.1522    2   2   0        12
                52.04         19.16        1.7573    2   2   2         8
                60.87          7.90        1.5218    4   0   0         6
                68.99         19.64        1.3612    4   2   0        24
                76.69         13.40        1.2426    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.