Zunyite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern for R050263
      Louisnathan S J, Gibbs G V
      American Mineralogist 57 (1972) 1089-1108
      Aluminium-silicon distribution in zunyite

      CELL PARAMETERS:   13.86000   13.86000   13.86000   90.00000   90.00000   90.00000
      SPACE GROUP: F-43m
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                11.08         96.72        8.0081    1   1   1
                12.79          3.81        6.9352    2   0   0
                18.11          2.24        4.9039    2   2   0
                21.26         87.21        4.1821    3   1   1
                22.22         49.80        4.0040    2   2   2
                28.05         14.17        3.1821    3   3   1
                31.61         38.91        2.8313    4   2   2
                33.58         42.88        2.6694    5   1   1
                33.58         57.12        2.6694    3   3   3
                36.66          8.46        2.4520    4   4   0
                38.40          5.85        2.3445    5   3   1
                41.16          1.79        2.1931    6   2   0
                42.75         20.08        2.1152    5   3   3
                43.27          4.51        2.0910    6   2   2
                45.29         26.55        2.0020    4   4   4
                46.77          1.49        1.9422    7   1   1
                46.77          7.37        1.9422    5   5   1
                49.15         14.52        1.8535    6   4   2
                50.54          1.25        1.8058    7   3   1
                50.54         12.75        1.8058    5   5   3
                52.79          1.21        1.7338    8   0   0
                54.11          2.59        1.6945    7   3   3
                54.55          6.28        1.6820    8   2   0
                56.26          3.67        1.6346    8   2   2
                56.26         41.52        1.6346    6   6   0
                57.53          4.64        1.6016    7   5   1
                57.53          1.05        1.6016    5   5   5
                57.95          7.18        1.5910    6   6   2
                60.82         10.22        1.5225    7   5   3
                60.82          4.46        1.5225    9   1   1
                61.23          7.17        1.5134    8   4   2
                64.02          8.57        1.4540    9   3   1
                65.97          9.71        1.4156    8   4   4
                67.12         10.30        1.3940    7   7   1
                67.12         10.03        1.3940    9   3   3
                67.51          1.56        1.3870    8   6   0
                69.03          4.78        1.3601    8   6   2
                70.16         13.83        1.3409    9   5   1
                70.53          2.40        1.3347    6   6   6
                70.53          2.62        1.3347   10   2   2
                74.98          8.97        1.2662   10   4   2
                76.07          3.34        1.2507   11   1   1
                76.07          1.43        1.2507    7   7   5
                77.89          8.57        1.2260    8   8   0
                78.97          2.18        1.2119    9   7   1
                78.97          3.08        1.2119   11   3   1
                79.33          1.68        1.2073    8   8   2
                81.84          7.76        1.1765   11   3   3
                82.19          1.27        1.1723   10   6   2
                83.62          2.14        1.1559   12   0   0
                86.46          1.29        1.1250   10   6   4
                86.46          2.88        1.1250   12   2   2
                89.29          1.90        1.0966   12   4   0
                89.29          1.90        1.0966   12   4   0
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.