(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: r54863, T = 600 C, P = 12.4 kbar, cell volume = 223.55 ang**3
      _database_code_amcsd 0003291

      CELL PARAMETERS:    6.0691   6.0691   6.0691   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    223.549
      Density (g/cm3):      2.023
      MAX. ABS. INTENSITY / VOLUME**2:      32.92170203    
      RIR:      5.298
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                29.43        100.00        3.0345    2   0   0         6
                42.11         62.70        2.1458    2   2   0        12
                52.21         19.10        1.7520    2   2   2         8
                61.07          7.88        1.5173    4   0   0         6
                69.23         19.57        1.3571    4   2   0        24
                76.97         13.36        1.2388    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.