Arsenolite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern for R050383
      Bozorth R M
      Journal of the American Chemical Society 45 (1923) 1621-1627
      The crystal structures of the cubic forms of arsenious and antimonous oxides
      Note: synthetic sample

      CELL PARAMETERS:   11.07497   11.07497   11.07497   90.00000   90.00000   90.00000
      SPACE GROUP: Fd-3m
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                13.86         41.08        6.3941    1   1   1
                26.70          1.17        3.3392    3   1   1
                27.90        100.00        3.1971    2   2   2
                32.33         21.95        2.7687    4   0   0
                35.32         24.73        2.5408    3   3   1
                39.86          4.22        2.2607    4   2   2
                42.39          9.55        2.1314    5   1   1
                42.39          4.76        2.1314    3   3   3
                46.36         39.38        1.9578    4   4   0
                48.62          5.31        1.8720    5   3   1
                49.35          3.52        1.8458    4   4   2
                52.21          1.58        1.7511    6   2   0
                54.97         23.05        1.6696    6   2   2
                57.64          4.06        1.5985    4   4   4
                59.59         16.51        1.5508    5   5   1
                59.59          4.23        1.5508    7   1   1
                64.61          1.05        1.4418    5   5   3
                64.61          6.62        1.4418    7   3   1
                67.64          2.68        1.3844    8   0   0
                69.43         12.16        1.3530    7   3   3
                72.36          2.84        1.3052    6   6   0
                74.10          1.75        1.2788    5   5   5
                74.67          4.80        1.2704    6   6   2
                76.96          2.52        1.2382    8   4   0
                78.66          4.99        1.2156    9   1   1
                79.23          4.70        1.2084    8   4   2
                81.47          2.04        1.1806    6   6   4
                83.15          2.83        1.1610    9   3   1
                85.94          2.50        1.1303    8   4   4
                87.60          2.94        1.1131    7   7   1
                87.60          2.94        1.1131    7   7   1
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.