Mullite
      Fischer R X, Schneider H, Schmucker M
      American Mineralogist 79 (1994) 983-990
      Crystal structure of Al-rich mullite
      _database_code_amcsd 0001673

      CELL PARAMETERS:    7.7391   7.6108   2.9180   90.000   90.000   90.000
      SPACE GROUP: Pbam      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    171.872
      Density (g/cm3):      2.986
      MAX. ABS. INTENSITY / VOLUME**2:      7.265460313    
      RIR:      0.792
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.33        100.00        5.4264    1   1   0         4
                23.38          1.03        3.8054    0   2   0         2
                25.83         55.48        3.4493    2   1   0         4
                26.09         19.94        3.4149    1   2   0         4
                30.64         17.46        2.9180    0   0   1         2
                33.01         49.14        2.7132    2   2   0         4
                34.91         36.26        2.5700    1   1   1         8
                37.30         11.48        2.4107    1   3   0         4
                38.65         30.90        2.3298    2   0   1         4
                40.49          7.96        2.2278    2   1   1         8
                40.67         33.00        2.2184    1   2   1         8
                42.33          2.50        2.1353    3   2   0         4
                42.61         27.85        2.1216    2   3   0         4
                46.96          3.92        1.9348    4   0   0         2
                47.80          2.39        1.9027    0   4   0         2
                48.60          9.34        1.8733    3   1   1         8
                49.32          1.77        1.8477    1   4   0         4
                53.10          5.95        1.7247    4   2   0         4
                53.15          7.02        1.7232    3   2   1         8
                53.68          2.56        1.7075    2   4   0         4
                57.12          4.09        1.6125    4   0   1         4
                57.85          9.04        1.5938    0   4   1         4
                60.19         32.39        1.5374    3   3   1         8
                62.56         12.62        1.4847    4   2   1         8
                63.08          2.24        1.4737    2   4   1         8
                63.79         19.09        1.4590    0   0   2         2
                65.05          4.24        1.4338    5   2   0         4
                65.95          2.33        1.4165    2   5   0         4
                66.34          1.80        1.4090    1   1   2         8
                69.26          4.16        1.3566    4   4   0         4
                69.30          2.06        1.3559    3   4   1         8
                69.90          2.59        1.3458    5   1   1         8
                70.02          3.65        1.3437    2   1   2         8
                70.14          1.67        1.3417    1   2   2         8
                70.88         10.38        1.3295    1   5   1         8
                71.39          1.13        1.3213    5   3   0         4
                72.04          2.29        1.3110    3   5   0         4
                73.41          2.67        1.2898    6   0   0         2
                73.61          9.18        1.2868    5   2   1         8
                73.73          5.82        1.2850    2   2   2         8
                74.45          7.16        1.2743    2   5   1         8
                74.63          1.71        1.2717    6   1   0         4
                75.97          1.06        1.2526    3   1   2         8
                76.29          3.26        1.2482    1   3   2         8
                77.61          1.56        1.2302    4   4   1         8
                79.65          1.77        1.2037    5   3   1         8
                79.77          2.79        1.2022    2   3   2         8
                87.59          1.35        1.1139    4   2   2         8
                87.94          2.21        1.1104    5   4   1         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.