Greenockite
      Wyckoff R W G
      Crystal Structures 1 (1963) 85-237
      Second edition. Interscience Publishers, New York, New York
      Note: wurtzite structure
      _database_code_amcsd 0011540

      CELL PARAMETERS:    4.1348   4.1348   6.7490   90.000   90.000  120.000
      SPACE GROUP: P6_3mc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     99.926
      Density (g/cm3):      4.801
      MAX. ABS. INTENSITY / VOLUME**2:      116.6432605    
      RIR:      7.911
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.87         61.36        3.5808    1   0   0         6
                26.41         48.02        3.3745    0   0   2         1
                28.21        100.00        3.1632    1   0   1         6
                36.59         28.80        2.4558    1   0   2         6
                43.79         46.88        2.0674    1   1   0         6
                47.74         45.01        1.9049    1   0   3         6
                51.01          7.03        1.7904    2   0   0         6
                51.86         37.50        1.7629    1   1   2         6
                52.91         15.30        1.7306    2   0   1         6
                54.38          2.54        1.6873    0   0   4         1
                58.34          6.22        1.5816    2   0   2         6
                60.67          2.60        1.5263    1   0   4         6
                66.78         13.97        1.4009    2   0   3         6
                69.45          4.76        1.3534    2   1   0        12
                71.03         10.81        1.3270    2   1   1        12
                72.28          5.56        1.3072    1   1   4         6
                75.23         10.49        1.2630    1   0   5         6
                75.72          5.00        1.2562    2   1   2        12
                77.78          1.08        1.2279    2   0   4         6
                80.46          5.86        1.1936    3   0   0         6
                83.32         13.47        1.1597    2   1   3        12
                86.48          6.68        1.1253    3   0   2         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.