Preiswerkite
      Oberti R, Ungaretti L, Tlili A, Smith D C, Robert J-L
      American Mineralogist 78 (1993) 1290-1298
      The crystal structure of preiswerkite
      Sample: KP17
      _database_code_amcsd 0001621

      CELL PARAMETERS:    5.2280   9.0490   9.8190   90.000  100.410   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    456.873
      Density (g/cm3):      2.905
      MAX. ABS. INTENSITY / VOLUME**2:      8.794046623    
      RIR:      0.986
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.16        100.00        9.6574    0   0   1         2
                18.37          4.39        4.8287    0   0   2         2
                19.62         16.50        4.5245    0   2   0         2
                19.86         18.02        4.4706    1   1   0         4
                20.54          9.51        4.3242   -1   1   1         4
                23.20          4.05        3.8339    1   1   1         4
                24.93         16.57        3.5722   -1   1   2         4
                27.01         22.16        3.3016    0   2   2         4
                27.71         63.09        3.2191    0   0   3         2
                29.28         27.17        3.0503    1   1   2         4
                31.59         19.67        2.8318   -1   1   3         4
                34.18         10.85        2.6230    0   2   3         4
                34.44          2.35        2.6042   -2   0   1         2
                34.47          4.06        2.6017    1   3   0         4
                34.88         57.68        2.5719   -1   3   1         4
                34.90         27.96        2.5710    2   0   0         2
                36.51          8.53        2.4613   -2   0   2         2
                36.58         17.69        2.4564    1   3   1         4
                36.88          4.56        2.4371    1   1   3         4
                37.75         18.02        2.3832   -1   3   2         4
                37.80          9.81        2.3798    2   0   1         2
                40.77          7.54        2.2134   -2   0   3         2
                40.88         13.85        2.2077    1   3   2         4
                41.78          1.99        2.1621   -2   2   2         4
                42.64         24.85        2.1205   -1   3   3         4
                42.73         12.10        2.1163    2   0   2         2
                42.94          2.59        2.1062    2   2   1         4
                44.21          2.56        2.0486    0   4   2         4
                45.63          2.05        1.9882   -2   2   3         4
                46.73          3.42        1.9440   -2   0   4         2
                46.86          7.22        1.9387    1   3   3         4
                47.05          9.22        1.9315    0   0   5         2
                49.07          9.44        1.8564   -1   3   4         4
                49.19          4.39        1.8523    2   0   3         2
                53.67          1.32        1.7078   -2   4   1         4
                53.98          1.85        1.6987   -2   0   5         2
                53.98          1.24        1.6986   -1   5   1         4
                54.13          3.44        1.6942    1   3   4         4
                55.20          2.06        1.6641    1   5   1         4
                56.09          2.88        1.6396    2   4   1         4
                56.70         15.23        1.6235   -1   3   5         4
                56.83          8.06        1.6200    2   0   4         2
                57.04          4.79        1.6146   -3   1   3         4
                57.24          2.17        1.6096    0   0   6         2
                58.32          1.12        1.5821   -2   4   3         4
                58.41          4.29        1.5800    1   5   2         4
                59.85          2.89        1.5455    2   4   2         4
                61.45         36.04        1.5089   -3   3   1         4
                61.48         17.91        1.5082    0   6   0         2
                62.25          1.31        1.4915   -3   3   2         4
                62.28         10.41        1.4908   -2   0   6         2
                62.31          2.01        1.4902    3   3   0         4
                62.31          1.68        1.4901    0   6   1         4
                62.45         19.08        1.4871    1   3   5         4
                65.32          1.80        1.4285   -1   3   6         4
                67.88          1.10        1.3808   -1   1   7         4
                67.94          1.72        1.3796    0   0   7         2
                68.61          5.06        1.3678   -3   3   4         4
                68.73          4.57        1.3657    0   6   3         4
                68.79          4.20        1.3648    3   3   2         4
                71.53          5.44        1.3190   -2   0   7         2
                71.72         11.17        1.3160    1   3   6         4
                72.41          1.03        1.3051   -2   6   1         4
                72.61          3.09        1.3021   -4   0   2         2
                72.69          5.63        1.3009    2   6   0         4
                74.13          1.12        1.2791    0   6   4         4
                74.21          1.28        1.2780    3   3   3         4
                74.35          1.53        1.2759   -4   0   3         2
                74.48          3.52        1.2739    2   6   1         4
                75.01          1.25        1.2663   -2   2   7         4
                75.78          1.13        1.2553   -3   5   1         4
                76.06          1.17        1.2513   -4   2   2         4
                76.42          2.96        1.2463   -2   6   3         4
                76.51          1.43        1.2452    4   0   1         2
                77.87          1.31        1.2267   -1   7   2         4
                78.49          1.77        1.2185    2   2   6         4
                78.72          2.13        1.2156   -3   5   3         4
                79.90          2.14        1.2005    4   2   1         4
                80.70          1.86        1.1907   -3   3   6         4
                80.86          1.90        1.1887    0   6   5         4
                80.97          1.75        1.1875    3   3   4         4
                81.08          2.00        1.1860   -1   7   3         4
                81.76          1.27        1.1779    0   4   7         4
                82.47          1.48        1.1695    2   6   3         4
                88.31          2.21        1.1067   -4   0   6         2
                88.60          4.70        1.1038    2   6   4         4
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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.