Khademite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern for R061001
      Bachet B, Cesbron F, Chevalier R
      Bulletin de Mineralogie 104 (1981) 19-22
      Structure cristalline de la khademite Al(SO4)F*5H2O

      CELL PARAMETERS:   11.17882   13.05516   10.89685   90.00000   90.00000   90.00000
      SPACE GROUP: Pcab
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                20.96        100.00        4.2456    2   2   0
                21.28         76.18        4.1828    0   2   2
                22.51          2.32        3.9560    2   2   1
                22.83         49.16        3.9015    2   0   2
                26.24          2.00        3.4003    0   3   2
                26.65         11.21        3.3489    2   2   2
                27.36          5.88        3.2638    0   4   0
                28.81          1.05        3.1022    3   2   1
                29.70          1.49        3.0110    1   4   1
                31.99          1.47        2.7999    0   4   2
                32.20          1.71        2.7823    3   2   2
                32.47          5.13        2.7600    2   2   3
                32.72          8.24        2.7395    3   3   1
                32.85         13.83        2.7287    2   4   1
                32.90          2.97        2.7242    0   0   4
                33.12          2.16        2.7071    4   0   1
                33.14          4.01        2.7056    1   3   3
                33.84          3.09        2.6507    4   1   1
                35.21          1.36        2.5509    3   1   3
                35.90          2.75        2.5034    2   4   2
                35.94          7.11        2.5006    4   2   1
                36.02          1.43        2.4953    2   3   3
                36.15          2.38        2.4867    4   0   2
                36.72          4.24        2.4488    2   0   4
                36.82          1.13        2.4427    4   1   2
                37.23          1.58        2.4163    3   2   3
                37.38          1.09        2.4069    2   1   4
                38.24          3.65        2.3546    0   5   2
                38.77          4.13        2.3238    4   2   2
                38.98          1.50        2.3118    2   5   1
                39.21          3.95        2.2986    4   3   1
                39.32          3.61        2.2928    2   2   4
                41.64          1.63        2.1699    2   5   2
                42.37          1.13        2.1341    2   3   4
                42.61          3.83        2.1228    4   4   0
                42.86          2.78        2.1109    1   1   5
                43.13          3.52        2.0983    3   5   1
                43.15          2.20        2.0975    4   2   3
                43.45          2.31        2.0836    4   4   1
                43.46          4.24        2.0830    1   5   3
                44.64          8.04        2.0305    2   0   5
                44.71          4.47        2.0276    2   6   0
                45.52          3.37        1.9934    2   6   1
                45.79          1.67        1.9823    2   5   3
                46.57          1.32        1.9508    4   0   4
                48.32          1.53        1.8841    5   1   3
                48.73          1.47        1.8691    4   2   4
                48.90          1.58        1.8631    6   0   0
                49.76          1.23        1.8328    4   4   3
                51.87          1.36        1.7629    6   0   2
                52.29          3.45        1.7497    0   2   6
                53.02          3.70        1.7273    2   0   6
                54.08          2.71        1.6959    4   6   1
                54.83          7.29        1.6745    4   4   4
                56.18          4.03        1.6375    4   6   2
                56.39          2.64        1.6319    0   8   0
                57.59          1.26        1.6005    6   4   1
                59.61          3.58        1.5511    6   4   2
                60.66          3.63        1.5266    2   4   6
                61.60          3.38        1.5055    2   8   2
                61.99          4.24        1.4969    6   2   4
                62.64          3.99        1.4830    4   2   6
                66.01          1.00        1.4152    6   6   0
                66.32          1.35        1.4092    4   8   0
                68.93          1.29        1.3621    0   0   8
                71.12          1.18        1.3254    8   2   2
                72.92          2.65        1.2970    2   2   8
                74.64          1.54        1.2713    2  10   0
                74.76          1.29        1.2696    0  10   2
                75.72          2.02        1.2559    6   6   4
                76.02          1.11        1.2517    4   8   4
                76.31          2.53        1.2476    4   6   6
                79.28          2.57        1.2081    6   4   6
                83.11          1.54        1.1619    8   4   4
                84.22          1.07        1.1493    8   6   2
                84.48          1.05        1.1464    4   4   8
                84.48          1.05        1.1464    4   4   8
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.