Powellite
      Hazen R M, Finger L W, Mariathasan J W E
      Journal of Physics and Chemistry of Solids 46 (1985) 253-263
      High-pressure crystal chemistry of scheelite-type tungstates and molybdates
      Note: P = 2.49 GPa
      _database_code_amcsd 0013209

      CELL PARAMETERS:    5.1801   5.1801  11.3010   90.000   90.000   90.000
      SPACE GROUP: I4_1/a    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    303.245
      Density (g/cm3):      4.380
      MAX. ABS. INTENSITY / VOLUME**2:      99.42529148    
      RIR:      7.391
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.84         30.71        4.7090    1   0   1         8
                29.05        100.00        3.0736    1   1   2         8
                29.32         13.42        3.0466    1   0   3         8
                31.67         11.00        2.8252    0   0   4         2
                34.63         14.15        2.5900    2   0   0         4
                39.72          8.24        2.2694    2   1   1         8
                40.32          3.81        2.2371    1   1   4         8
                45.99          3.25        1.9733    1   2   3         8
                47.63         29.15        1.9092    2   0   4         8
                49.79         12.40        1.8314    2   2   0         4
                54.81         13.60        1.6750    1   1   6         8
                56.92          1.67        1.6178    2   1   5         8
                56.92          2.48        1.6178    1   2   5         8
                58.68         13.06        1.5733    3   1   2         8
                58.68          8.57        1.5733    1   3   2         8
                60.22          8.71        1.5368    2   2   4         8
                65.49          2.06        1.4252    3   2   1         8
                66.15          1.22        1.4126    0   0   8         2
                68.37          1.49        1.3721    3   0   5         8
                70.10          1.73        1.3424    2   3   3         8
                71.19          1.09        1.3245    1   2   7         8
                73.07          2.73        1.2950    4   0   0         4
                76.87          5.27        1.2402    2   0   8         8
                77.17          2.96        1.2360    3   1   6         8
                77.17          6.11        1.2360    1   3   6         8
                80.48          3.87        1.1934    3   3   2         8
                81.82          3.45        1.1772    4   0   4         8
                83.45          1.89        1.1583    2   4   0         4
                83.45          2.00        1.1583    4   2   0         4
                87.14          2.72        1.1186    2   2   8         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.