Sillimanite
      Winter J K, Ghose S
      American Mineralogist 64 (1979) 573-586
      Thermal expansion and high-temperature crystal chemistry of the Al2SiO5 polymorphs
      T = 400 deg C
      _database_code_amcsd 0000724

      CELL PARAMETERS:    7.4932   7.7035   5.7872   90.000   90.000   90.000
      SPACE GROUP: Pbnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    334.060
      Density (g/cm3):      3.222
      MAX. ABS. INTENSITY / VOLUME**2:      10.86561870    
      RIR:      1.098
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.50         18.42        5.3713    1   1   0         4
                19.38          3.24        4.5802    1   0   1         4
                23.09          1.36        3.8517    0   2   0         2
                23.75          7.29        3.7466    2   0   0         2
                26.01         80.51        3.4257    1   2   0         4
                26.45        100.00        3.3693    2   1   0         4
                30.32          1.05        2.9479    1   2   1         8
                30.90         17.11        2.8936    0   0   2         2
                33.36         26.03        2.6857    2   2   0         4
                35.23         48.45        2.5475    1   1   2         8
                37.01         12.07        2.4292    1   3   0         4
                37.87          1.31        2.3760    3   1   0         4
                38.93          1.72        2.3135    0   2   2         4
                39.34          9.37        2.2901    2   0   2         4
                40.82         65.27        2.2105    1   2   2         8
                42.69         13.79        2.1181    2   3   0         4
                43.17          3.05        2.0957    3   2   0         4
                45.61          1.35        1.9891    2   3   1         8
                46.11          1.14        1.9685    2   2   2         8
                48.60          8.38        1.8733    4   0   0         2
                49.65          7.30        1.8363    3   1   2         8
                50.11          1.33        1.8203    4   1   0         4
                51.01          2.96        1.7904    3   3   0         4
                53.50          8.14        1.7128    2   4   0         4
                54.03          6.99        1.6973    3   2   2         8
                54.47         13.21        1.6846    4   2   0         4
                57.48         16.52        1.6032    0   4   2         4
                58.71          8.31        1.5725    4   0   2         4
                58.91          2.67        1.5678    1   4   2         8
                60.05          1.56        1.5408    4   1   2         8
                60.84         38.86        1.5225    3   3   2         8
                63.95          4.23        1.4559    4   2   2         8
                64.40         16.52        1.4468    0   0   4         2
                65.51          3.72        1.4249    2   5   0         4
                67.01          5.81        1.3966    5   2   0         4
                70.07          3.97        1.3428    4   4   0         4
                70.36         10.99        1.3381    1   5   2         8
                70.68          6.14        1.3328    1   2   4         8
                70.89          7.19        1.3294    2   1   4         8
                72.01          2.72        1.3113    5   1   2         8
                72.02          1.09        1.3113    3   5   0         4
                73.80          1.58        1.2839    0   6   0         2
                74.18         13.37        1.2783    2   5   2         8
                74.49          3.22        1.2737    2   2   4         8
                75.60         10.28        1.2578    5   2   2         8
                76.24          3.55        1.2489    6   0   0         2
                76.66          3.52        1.2430    1   3   4         8
                77.20          1.17        1.2357    3   1   4         8
                77.42          1.70        1.2328    6   1   0         4
                78.53          2.55        1.2181    4   4   2         8
                80.37          1.43        1.1947    2   3   4         8
                81.46          3.21        1.1815    5   3   2         8
                84.64          1.84        1.1451    4   0   4         4
                87.00          1.01        1.1199    2   6   2         8
                88.45          2.71        1.1053    2   4   4         8
                88.94          1.35        1.1005    4   5   2         8
                89.09          1.05        1.0990    6   2   2         8
                89.24          4.31        1.0976    4   2   4         8
                89.52          1.03        1.0948    5   4   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.