Sillimanite
      Winter J K, Ghose S
      American Mineralogist 64 (1979) 573-586
      Thermal expansion and high-temperature crystal chemistry of the Al2SiO5 polymorphs
      T = 1000 deg C
      _database_code_amcsd 0000727

      CELL PARAMETERS:    7.5030   7.7390   5.8040   90.000   90.000   90.000
      SPACE GROUP: Pbnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    337.013
      Density (g/cm3):      3.193
      MAX. ABS. INTENSITY / VOLUME**2:      10.55776017    
      RIR:      1.077
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.46         17.97        5.3869    1   1   0         4
                19.33          3.06        4.5908    1   0   1         4
                22.98          1.52        3.8695    0   2   0         2
                23.72          7.46        3.7515    2   0   0         2
                25.91         80.78        3.4391    1   2   0         4
                26.40        100.00        3.3758    2   1   0         4
                30.21          1.11        2.9587    1   2   1         8
                30.81         16.65        2.9020    0   0   2         2
                33.26         24.77        2.6935    2   2   0         4
                35.13         46.90        2.5549    1   1   2         8
                36.84         12.66        2.4395    1   3   0         4
                37.80          1.38        2.3798    3   1   0         4
                38.79          1.72        2.3216    0   2   2         4
                39.25          9.12        2.2954    2   0   2         4
                40.68         62.50        2.2179    1   2   2         8
                42.53         12.81        2.1256    2   3   0         4
                43.06          3.12        2.1005    3   2   0         4
                45.44          1.16        1.9960    2   3   1         8
                45.97          1.27        1.9742    2   2   2         8
                48.53          8.03        1.8757    4   0   0         2
                49.53          6.62        1.8402    3   1   2         8
                50.03          1.16        1.8230    4   1   0         4
                50.85          2.78        1.7956    3   3   0         4
                53.27          7.37        1.7195    2   4   0         4
                53.88          6.62        1.7015    3   2   2         8
                54.35         11.95        1.6879    4   2   0         4
                57.23         15.72        1.6098    0   4   2         4
                58.60          7.86        1.5753    4   0   2         4
                58.65          2.28        1.5740    1   4   2         8
                59.92          1.35        1.5437    4   1   2         8
                60.65         34.82        1.5270    3   3   2         8
                63.79          3.96        1.4590    4   2   2         8
                64.19         14.64        1.4510    0   0   4         2
                65.20          3.41        1.4308    2   5   0         4
                66.87          5.17        1.3991    5   2   0         4
                69.84          3.46        1.3467    4   4   0         4
                70.03          9.04        1.3436    1   5   2         8
                70.43          5.42        1.3369    1   2   4         8
                70.66          6.39        1.3331    2   1   4         8
                71.87          2.21        1.3136    5   1   2         8
                73.41          1.32        1.2898    0   6   0         2
                73.84         11.95        1.2833    2   5   2         8
                74.24          2.61        1.2774    2   2   4         8
                75.43          8.77        1.2603    5   2   2         8
                76.12          2.95        1.2505    6   0   0         2
                76.37          3.29        1.2471    1   3   4         8
                76.96          1.12        1.2389    3   1   4         8
                77.29          1.50        1.2345    6   1   0         4
                78.26          2.15        1.2216    4   4   2         8
                80.07          1.12        1.1984    2   3   4         8
                81.23          2.72        1.1842    5   3   2         8
                84.40          1.59        1.1477    4   0   4         4
                88.08          2.11        1.1089    2   4   4         8
                88.57          1.09        1.1041    4   5   2         8
                88.96          3.39        1.1003    4   2   4         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.