Na7.5Si6Al6O24S4.5*.5D2O
      Tarling S E, Barnes P, Klinowski J
      Acta Crystallographica B44 (1988) 128-135
      The structure and Si,Al distribution of the ultramarines
      Note: disordered synthetic counterpart to lazurite
      Note: occupancies changed to match formula
      _database_code_amcsd 0009825

      CELL PARAMETERS:    9.0338   9.0338   9.0338   90.000   90.000   90.000
      SPACE GROUP: I-43m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    737.244
      Density (g/cm3):      2.345
      MAX. ABS. INTENSITY / VOLUME**2:      20.83146498    
      RIR:      2.893
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.86         14.66        6.3879    1   1   0        12
                19.65         14.25        4.5169    2   0   0         6
                24.13        100.00        3.6880    2   1   1        12
                27.93          1.81        3.1939    2   2   0        12
                31.31         10.57        2.8567    3   1   0        24
                34.39         16.25        2.6078    2   2   2         4
                37.24          7.11        2.4144    3   2   1        24
                39.92          5.65        2.2585    4   0   0         6
                42.45          7.84        2.1293    3   3   0        12
                47.19          2.51        1.9260    3   3   2        12
                51.59          2.43        1.7717    5   1   0        24
                51.59          9.08        1.7717    4   3   1        24
                55.73          3.68        1.6493    5   2   1        24
                57.73          3.66        1.5970    4   4   0        12
                59.68          2.33        1.5493    4   3   3        12
                61.60          1.84        1.5056    6   0   0         6
                61.60          2.78        1.5056    4   4   2        12
                63.48          1.60        1.4655    5   3   2        24
                68.95          6.89        1.3619    6   2   2        12
                70.73          1.04        1.3320    6   3   1        24
                72.49          2.92        1.3039    4   4   4         4
                74.23          1.90        1.2776    5   4   3        24
                74.23          1.04        1.2776    7   1   0        24
                77.67          2.01        1.2293    7   2   1        24
                77.67          1.97        1.2293    6   3   3        12
                79.38          1.55        1.2072    6   4   2        24
                86.11          1.05        1.1292    8   0   0         6
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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.