(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: r52105, T = 550 C, P = 12.6 kbar, cell volume = 221.26 ang**3
      _database_code_amcsd 0003285

      CELL PARAMETERS:    6.0483   6.0483   6.0483   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    221.258
      Density (g/cm3):      2.044
      MAX. ABS. INTENSITY / VOLUME**2:      33.25621209    
      RIR:      5.297
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                29.54        100.00        3.0241    2   0   0         6
                42.26         62.56        2.1384    2   2   0        12
                52.40         19.04        1.7460    2   2   2         8
                61.31          7.84        1.5121    4   0   0         6
                69.50         19.48        1.3524    4   2   0        24
                77.28         13.31        1.2346    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.