Mullite
      Angel R J, McMullan R K, Prewitt C T
      American Mineralogist 76 (1991) 332-342
      Substructure and superstructure of mullite by neutron diffraction
      Model 1 Neutron
      _database_code_amcsd 0001351

      CELL PARAMETERS:    7.5880   7.6880   2.8895   90.000   90.000   90.000
      SPACE GROUP: Pbam      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    168.563
      Density (g/cm3):      3.120
      MAX. ABS. INTENSITY / VOLUME**2:      7.163847094    
      RIR:      0.748
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.41         73.65        5.4005    1   1   0         4
                23.45          1.40        3.7940    2   0   0         2
                25.98         57.20        3.4291    1   2   0         4
                26.19        100.00        3.4023    2   1   0         4
                30.95         21.07        2.8895    0   0   1         2
                33.18         49.67        2.7003    2   2   0         4
                35.23         53.76        2.5478    1   1   1         8
                37.03         16.17        2.4279    1   3   0         4
                37.43          1.48        2.4026    3   1   0         4
                39.19         25.22        2.2987    2   0   1         4
                40.84         63.20        2.2096    1   2   1         8
                40.98          3.15        2.2024    2   1   1         8
                42.57         25.67        2.1236    2   3   0         4
                42.80          3.43        2.1130    3   2   0         4
                47.29          1.55        1.9220    0   4   0         2
                47.96          7.27        1.8970    4   0   0         2
                48.88          1.61        1.8632    1   4   0         4
                49.33         11.89        1.8474    3   1   1         8
                49.49          1.49        1.8418    4   1   0         4
                50.71          1.15        1.8002    3   3   0         4
                53.44          7.00        1.7145    2   4   0         4
                53.74         10.20        1.7056    3   2   1         8
                53.90         12.05        1.7011    4   2   0         4
                57.60         19.00        1.6003    0   4   1         4
                58.17          7.03        1.5858    4   0   1         4
                58.99          1.29        1.5659    1   4   1         8
                59.52          1.13        1.5531    4   1   1         8
                60.60         50.47        1.5279    3   3   1         8
                63.04          1.33        1.4745    2   4   1         8
                63.46         13.55        1.4659    4   2   1         8
                64.50         25.30        1.4447    0   0   2         2
                65.50          5.02        1.4250    2   5   0         4
                66.21          8.53        1.4116    5   2   0         4
                67.06          1.90        1.3957    1   1   2         8
                69.51          2.63        1.3524    3   4   1         8
                69.64          5.27        1.3501    4   4   0         4
                70.47         16.12        1.3362    1   5   1         8
                70.76          4.39        1.3314    1   2   2         8
                70.86          7.60        1.3298    2   1   2         8
                71.25          4.29        1.3235    5   1   1         8
                71.85          2.85        1.3139    3   5   0         4
                72.37          1.83        1.3058    5   3   0         4
                73.98          1.49        1.2813    0   6   0         2
                74.20         15.80        1.2780    2   5   1         8
                74.48          7.12        1.2739    2   2   2         8
                74.86         16.56        1.2683    5   2   1         8
                75.12          3.80        1.2647    6   0   0         2
                75.20          1.62        1.2634    1   6   0         4
                76.31          2.67        1.2479    6   1   0         4
                76.77          4.68        1.2416    1   3   2         8
                77.02          1.53        1.2381    3   1   2         8
                78.14          2.17        1.2232    4   4   1         8
                79.84          1.08        1.2013    6   2   0         4
                80.39          3.03        1.1945    2   3   2         8
                80.76          3.58        1.1899    5   3   1         8
                84.25          1.29        1.1494    4   0   2         4
                87.07          2.37        1.1192    2   6   1         8
                88.05          1.01        1.1093    6   2   1         8
                88.50          2.59        1.1048    2   4   2         8
                88.59          1.38        1.1039    4   5   1         8
                88.87          4.24        1.1012    4   2   2         8
                88.87          1.93        1.1012    5   4   1         8
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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.