Mullite
      Fischer R X, Schneider H
      American Mineralogist 85 (2000) 1175-1179
      Crystal structure of Cr-mullite
      Sample: fixed slit, monochromatic
      _database_code_amcsd 0002492

      CELL PARAMETERS:    7.5671   7.7091   2.9021   90.000   90.000   90.000
      SPACE GROUP: Pbam      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    169.296
      Density (g/cm3):      3.365
      MAX. ABS. INTENSITY / VOLUME**2:      8.710744626    
      RIR:      0.843
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.41         39.45        5.4003    1   1   0         4
                23.07          5.16        3.8545    0   2   0         2
                23.51         12.51        3.7836    2   0   0         2
                25.94         70.76        3.4346    1   2   0         4
                26.24        100.00        3.3965    2   1   0         4
                30.81         17.52        2.9021    0   0   1         2
                33.18         57.73        2.7001    2   2   0         4
                35.10         83.18        2.5564    1   1   1         8
                36.94         16.16        2.4332    1   3   0         4
                37.52          1.99        2.3973    3   1   0         4
                39.12         17.82        2.3027    2   0   1         4
                40.70         60.69        2.2167    1   2   1         8
                42.53         19.79        2.1258    2   3   0         4
                42.85          3.42        2.1106    3   2   0         4
                45.91          1.58        1.9768    2   2   1         8
                47.16          2.61        1.9273    0   4   0         2
                48.10          4.51        1.8918    4   0   0         2
                49.30         17.48        1.8483    3   1   1         8
                49.62          1.52        1.8373    4   1   0         4
                50.72          1.77        1.8001    3   3   0         4
                53.35         12.08        1.7173    2   4   0         4
                53.70          7.67        1.7069    3   2   1         8
                53.99         17.98        1.6983    4   2   0         4
                57.39         19.61        1.6055    0   4   1         4
                58.21          7.94        1.5848    4   0   1         4
                58.79          1.53        1.5705    1   4   1         8
                59.55          1.19        1.5523    4   1   1         8
                60.53         52.64        1.5297    3   3   1         8
                63.47          8.60        1.4657    4   2   1         8
                64.18         23.27        1.4511    0   0   2         2
                65.36          3.88        1.4278    2   5   0         4
                66.36          7.27        1.4087    5   2   0         4
                66.75          1.27        1.4013    1   1   2         8
                69.39          1.38        1.3544    3   4   1         8
                69.64          6.09        1.3501    4   4   0         4
                70.24         16.68        1.3401    1   5   1         8
                70.44          5.07        1.3367    1   2   2         8
                70.58          7.44        1.3344    2   1   2         8
                71.34          5.44        1.3220    5   1   1         8
                71.75          2.18        1.3155    3   5   0         4
                72.48          1.08        1.3041    5   3   0         4
                73.74          2.09        1.2848    0   6   0         2
                73.99         14.76        1.2812    2   5   1         8
                74.19          7.31        1.2782    2   2   2         8
                74.93         12.83        1.2673    5   2   1         8
                74.98          1.01        1.2667    1   6   0         4
                75.36          4.75        1.2612    6   0   0         2
                76.43          4.62        1.2463    1   3   2         8
                76.54          2.07        1.2446    6   1   0         4
                76.78          1.74        1.2414    3   1   2         8
                78.07          2.05        1.2241    4   4   1         8
                78.64          1.11        1.2166    2   6   0         4
                80.05          1.32        1.1987    6   2   0         4
                80.07          2.12        1.1985    2   3   2         8
                80.80          4.82        1.1895    5   3   1         8
                86.80          1.96        1.1220    2   6   1         8
                88.14          4.03        1.1084    2   4   2         8
                88.19          1.08        1.1079    6   2   1         8
                88.47          1.36        1.1051    4   5   1         8
                88.66          5.91        1.1032    4   2   2         8
                88.86          1.47        1.1013    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.