Mullite
      Angel R J, Prewitt C T
      American Mineralogist 71 (1986) 1476-1482
      Crystal structure of mullite: A re-examination of the average structure
      _database_code_amcsd 0001059

      CELL PARAMETERS:    7.5785   7.6817   2.8864   90.000   90.000   90.000
      SPACE GROUP: Pbam      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    168.034
      Density (g/cm3):      3.121
      MAX. ABS. INTENSITY / VOLUME**2:      7.249309671    
      RIR:      0.756
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.43         74.80        5.3949    1   1   0         4
                23.48          1.44        3.7892    2   0   0         2
                26.01         58.39        3.4260    1   2   0         4
                26.22        100.00        3.3983    2   1   0         4
                30.98         20.16        2.8864    0   0   1         2
                33.21         47.33        2.6975    2   2   0         4
                35.27         51.57        2.5450    1   1   1         8
                37.06         16.11        2.4258    1   3   0         4
                37.48          1.65        2.3997    3   1   0         4
                39.24         24.37        2.2961    2   0   1         4
                40.88         62.93        2.2074    1   2   1         8
                41.03          2.95        2.1999    2   1   1         8
                42.61         24.90        2.1216    2   3   0         4
                42.85          3.54        2.1106    3   2   0         4
                47.34          1.30        1.9204    0   4   0         2
                48.02          7.43        1.8946    4   0   0         2
                48.93          1.49        1.8616    1   4   0         4
                49.39         11.04        1.8453    3   1   1         8
                49.55          1.50        1.8395    4   1   0         4
                50.77          1.09        1.7983    3   3   0         4
                53.49          6.93        1.7130    2   4   0         4
                53.81         10.13        1.7037    3   2   1         8
                53.96         11.79        1.6991    4   2   0         4
                57.65         19.05        1.5989    0   4   1         4
                58.25          7.02        1.5839    4   0   1         4
                59.05          1.29        1.5644    1   4   1         8
                59.60          1.13        1.5513    4   1   1         8
                60.67         47.95        1.5263    3   3   1         8
                63.11          1.16        1.4731    2   4   1         8
                63.54         12.77        1.4643    4   2   1         8
                64.58         23.93        1.4432    0   0   2         2
                65.57          4.70        1.4238    2   5   0         4
                66.29          8.12        1.4099    5   2   0         4
                67.14          1.85        1.3942    1   1   2         8
                69.59          2.35        1.3510    3   4   1         8
                69.72          4.96        1.3487    4   4   0         4
                70.55         15.27        1.3350    1   5   1         8
                70.85          4.26        1.3300    1   2   2         8
                70.95          7.26        1.3284    2   1   2         8
                71.35          4.12        1.3219    5   1   1         8
                71.93          2.66        1.3126    3   5   0         4
                72.46          1.72        1.3043    5   3   0         4
                74.05          1.41        1.2803    0   6   0         2
                74.28         14.87        1.2769    2   5   1         8
                74.58          6.50        1.2725    2   2   2         8
                74.97         15.59        1.2668    5   2   1         8
                75.23          3.59        1.2631    6   0   0         2
                75.28          1.54        1.2624    1   6   0         4
                76.42          2.46        1.2463    6   1   0         4
                76.86          4.39        1.2403    1   3   2         8
                77.12          1.46        1.2368    3   1   2         8
                78.23          2.08        1.2219    4   4   1         8
                80.49          2.85        1.1933    2   3   2         8
                80.87          3.34        1.1886    5   3   1         8
                84.37          1.28        1.1481    4   0   2         4
                87.17          2.25        1.1182    2   6   1         8
                88.61          2.46        1.1037    2   4   2         8
                88.70          1.27        1.1028    4   5   1         8
                88.99          1.79        1.1000    5   4   1         8
                88.99          3.97        1.1000    4   2   2         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.