Sillimanite
      Yang H, Hazen R M, Finger L W, Prewitt C T, Downs R T
      Physics and Chemistry of Minerals 25 (1997) 39-47
      Compressibility and crystal structure of sillimanite, Al2SiO5, at high pressure
      Sample: P = 1.23 GPa
      _database_code_amcsd 0008108

      CELL PARAMETERS:    7.4732   7.6520   5.7631   90.000   90.000   90.000
      SPACE GROUP: Pbnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    329.562
      Density (g/cm3):      3.265
      MAX. ABS. INTENSITY / VOLUME**2:      11.17351692    
      RIR:      1.114
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.58         19.06        5.3464    1   1   0         4
                19.45          3.33        4.5637    1   0   1         4
                23.25          1.02        3.8260    0   2   0         2
                23.81          7.05        3.7366    2   0   0         2
                26.17         79.03        3.4056    1   2   0         4
                26.55        100.00        3.3577    2   1   0         4
                30.49          1.27        2.9320    1   2   1         8
                31.04         17.29        2.8816    0   0   2         2
                33.52         27.26        2.6732    2   2   0         4
                35.39         49.78        2.5366    1   1   2         8
                37.25         11.20        2.4139    1   3   0         4
                37.99          1.21        2.3687    3   1   0         4
                39.14          1.51        2.3018    0   2   2         4
                39.49          9.43        2.2818    2   0   2         4
                41.03         67.21        2.1998    1   2   2         8
                42.93         14.66        2.1066    2   3   0         4
                43.34          2.97        2.0876    3   2   0         4
                45.86          1.76        1.9786    2   3   1         8
                46.33          1.09        1.9598    2   2   2         8
                48.74          8.61        1.8683    4   0   0         2
                49.83          7.84        1.8298    3   1   2         8
                50.27          1.49        1.8150    4   1   0         4
                51.26          2.87        1.7821    3   3   0         4
                53.84          8.52        1.7028    2   4   0         4
                54.26          7.31        1.6906    3   2   2         8
                54.67         14.46        1.6788    4   2   0         4
                57.86         16.75        1.5938    0   4   2         4
                58.91          8.52        1.5676    4   0   2         4
                59.29          3.25        1.5587    1   4   2         8
                60.26          1.64        1.5357    4   1   2         8
                61.14         41.74        1.5157    3   3   2         8
                64.21          4.34        1.4506    4   2   2         8
                64.70         17.92        1.4408    0   0   4         2
                65.96          3.72        1.4162    2   5   0         4
                67.25          6.08        1.3922    5   2   0         4
                70.45          4.32        1.3366    4   4   0         4
                70.85         12.92        1.3300    1   5   2         8
                71.04          6.50        1.3269    1   2   4         8
                71.22          7.79        1.3240    2   1   4         8
                72.27          3.09        1.3073    5   1   2         8
                72.49          1.25        1.3040    3   5   0         4
                74.38          1.86        1.2753    0   6   0         2
                74.68         13.75        1.2710    2   5   2         8
                74.87          3.77        1.2683    2   2   4         8
                75.90         11.32        1.2535    5   2   2         8
                76.48          4.01        1.2455    6   0   0         2
                77.09          3.57        1.2372    1   3   4         8
                77.55          1.17        1.2309    3   1   4         8
                77.67          1.86        1.2294    6   1   0         4
                78.96          2.77        1.2125    4   4   2         8
                80.82          1.75        1.1892    2   3   4         8
                81.83          3.59        1.1771    5   3   2         8
                85.02          2.00        1.1409    4   0   4         4
                86.95          1.06        1.1204    3   3   4         8
                87.66          1.13        1.1133    2   6   2         8
                89.00          3.19        1.0999    2   4   4         8
                89.46          1.21        1.0954    6   2   2         8
                89.49          1.53        1.0951    4   5   2         8
                89.68          5.24        1.0933    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.