Willemite
      Hang C, Simonov M A, Belov N V
      Soviet Physics Crystallography 15 (1970) 387-390
      Crystal structures of willemite Zn2[SiO4] and its germanium analog Zn2[GeO4]
      Locality: Synthetic
      _database_code_amcsd 0018744

      CELL PARAMETERS:    8.6280   8.6280   8.6280  107.870  107.870  107.870
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    521.689
      Density (g/cm3):      4.256
      MAX. ABS. INTENSITY / VOLUME**2:      39.80058801    
      RIR:      3.045
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.69         33.95        6.9744    0  -1   1         6
                20.49          4.13        4.3347    1   1   0         6
                21.69          8.20        4.0975    0  -1   2         6
                21.69          5.09        4.0975   -1   0   2         6
                22.08         23.79        4.0267    1  -2   1         6
                25.54         61.44        3.4872    0  -2   2         6
                27.39          1.51        3.2558    1  -1   2         6
                27.39          2.28        3.2558    2  -1   1         6
                28.32          1.05        3.1516    1  -2   2         6
                28.32          2.26        3.1516    2  -2   1         6
                31.62         46.11        2.8297    2   0   1         6
                31.62         38.26        2.8297    2   1   0         6
                34.01          3.67        2.6361    2  -3   1         6
                34.01         96.33        2.6361    1  -3   2         6
                35.46          2.93        2.5318    2  -2   2         6
                37.80          1.19        2.3798    3  -2   1         6
                38.90         22.10        2.3152    1  -1   3         6
                38.90         29.44        2.3152    3  -1   1         6
                39.52          2.28        2.2803    2   1   1         6
                40.70          1.66        2.2169    3  -3   1         6
                42.16          5.62        2.1433   -1  -1   4         6
                43.74          1.29        2.0697    3   1   0         6
                44.21          1.01        2.0488    0  -2   4         6
                45.03          6.55        2.0133    2  -4   2         6
                46.18          2.50        1.9657    2  -3   3         6
                46.78          1.84        1.9421    0  -3   4         6
                46.97          9.98        1.9344    3  -4   1         6
                49.00         22.62        1.8590    4  -2   1         6
                49.00         21.42        1.8590    1  -2   4         6
                49.95          1.35        1.8260    4  -3   1         6
                50.51          1.40        1.8070    3  -4   2         6
                53.24          2.47        1.7207    3   0   2         6
                54.35          4.78        1.6878   -1  -1   5         6
                54.35          2.74        1.6878    3  -3   3         6
                54.84          1.61        1.6742    3  -2   3         6
                55.76          1.05        1.6486   -1  -3   5         6
                55.76          1.85        1.6486   -3  -1   5         6
                56.06          2.30        1.6405    0  -2   5         6
                56.06          2.73        1.6405   -2   0   5         6
                56.06          1.37        1.6405    4  -3   2         6
                56.06          2.04        1.6405    2  -3   4         6
                56.66          1.07        1.6246    4   1   0         6
                57.61          6.55        1.6000    3  -5   2         6
                57.61          4.58        1.6000    2  -5   3         6
                58.19          1.09        1.5853   -1   0   5         6
                59.74         11.53        1.5480    2   2   2         2
                60.87          4.69        1.5219    4  -5   1         6
                60.87          3.50        1.5219    1  -5   4         6
                60.99          1.03        1.5192    5  -3   1         6
                60.99          1.31        1.5192    1  -3   5         6
                65.69         13.76        1.4214   -1  -2   6         6
                65.69         16.22        1.4214    4  -4   3         6
                65.69          3.03        1.4214   -2  -1   6         6
                65.69          2.25        1.4214    3  -4   4         6
                66.03          3.31        1.4149    4   2   0         6
                66.03          2.49        1.4149    4   0   2         6
                67.10          7.22        1.3949    0  -5   5         6
                68.73          8.42        1.3658   -3   0   6         6
                68.73          8.54        1.3658    2  -4   5         6
                70.11          5.93        1.3422    3  -6   3         6
                70.55          7.70        1.3349    3  -1   4         6
                70.55          9.40        1.3349    5   0   1         6
                75.97          1.33        1.2526    1  -6   5         6
                77.83          1.20        1.2272    4  -2   4         6
                78.94          1.40        1.2127    5  -5   3         6
                79.26          1.86        1.2086    5  -2   3         6
                83.20          3.84        1.1612    2  -5   6         6
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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.