Sillimanite
      Bish D L, Burnham C W
      American Mineralogist 77 (1992) 374-379
      Rietveld refinement of the crystal structure of fibrolitic sillimanite using
      neutron powder diffraction data
      _database_code_amcsd 0001446

      CELL PARAMETERS:    7.4841   7.6720   5.7707   90.000   90.000   90.000
      SPACE GROUP: Pbnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    331.342
      Density (g/cm3):      3.248
      MAX. ABS. INTENSITY / VOLUME**2:      11.19857614    
      RIR:      1.123
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.55         19.03        5.3573    1   1   0         4
                19.42          2.42        4.5699    1   0   1         4
                23.19          1.18        3.8360    0   2   0         2
                23.78          7.00        3.7420    2   0   0         2
                26.10         78.81        3.4137    1   2   0         4
                26.50        100.00        3.3633    2   1   0         4
                30.99         17.40        2.8853    0   0   2         2
                33.45         27.35        2.6786    2   2   0         4
                35.33         50.20        2.5403    1   1   2         8
                37.15         11.32        2.4200    1   3   0         4
                37.93          1.11        2.3724    3   1   0         4
                39.06          1.68        2.3059    0   2   2         4
                39.44          9.52        2.2850    2   0   2         4
                40.95         68.91        2.2036    1   2   2         8
                42.83         14.82        2.1114    2   3   0         4
                43.26          2.92        2.0913    3   2   0         4
                45.76          1.80        1.9828    2   3   1         8
                46.25          1.13        1.9631    2   2   2         8
                48.66          8.83        1.8710    4   0   0         2
                49.76          8.15        1.8325    3   1   2         8
                50.19          1.56        1.8177    4   1   0         4
                51.15          3.05        1.7858    3   3   0         4
                53.70          8.86        1.7069    2   4   0         4
                54.16          7.55        1.6933    3   2   2         8
                54.57         14.87        1.6817    4   2   0         4
                57.72         17.41        1.5973    0   4   2         4
                58.82          8.81        1.5699    4   0   2         4
                59.14          3.33        1.5621    1   4   2         8
                60.17          1.70        1.5380    4   1   2         8
                61.02         44.07        1.5185    3   3   2         8
                64.09          4.51        1.4529    4   2   2         8
                64.60         18.92        1.4427    0   0   4         2
                65.78          4.14        1.4197    2   5   0         4
                67.13          6.58        1.3944    5   2   0         4
                70.28          4.67        1.3393    4   4   0         4
                70.66         13.57        1.3331    1   5   2         8
                70.92          6.91        1.3289    1   2   4         8
                71.11          8.25        1.3258    2   1   4         8
                72.15          3.35        1.3092    5   1   2         8
                72.29          1.23        1.3070    3   5   0         4
                74.16          1.98        1.2787    0   6   0         2
                74.49         14.90        1.2738    2   5   2         8
                74.74          3.93        1.2702    2   2   4         8
                75.76         12.46        1.2555    5   2   2         8
                76.35          4.43        1.2473    6   0   0         2
                76.94          3.76        1.2392    1   3   4         8
                77.42          1.17        1.2327    3   1   4         8
                77.53          2.00        1.2312    6   1   0         4
                78.78          3.07        1.2148    4   4   2         8
                80.66          1.93        1.1912    2   3   4         8
                81.05          1.05        1.1865    4   5   0         4
                81.67          3.94        1.1790    5   3   2         8
                84.87          2.25        1.1425    4   0   4         4
                86.78          1.18        1.1222    3   3   4         8
                87.40          1.19        1.1158    2   6   2         8
                88.80          3.46        1.1018    2   4   4         8
                89.26          1.69        1.0973    4   5   2         8
                89.28          1.18        1.0971    6   2   2         8
                89.51          5.66        1.0950    4   2   4         8
                89.79          1.35        1.0922    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.