Greenockite
      Ulrich F, Zachariasen W
      Zeitschrift fur Kristallographie 62 (1925) 260-273
      Ueber die Kristallstruktur des alpha- und $-beta Cd S, sowie des
      Wurtzits.
      _cod_database_code 1011054
      _database_code_amcsd 0017955

      CELL PARAMETERS:    4.1500   4.1500   6.7370   90.000   90.000  120.000
      SPACE GROUP: P6_3mc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    100.483
      Density (g/cm3):      4.774
      MAX. ABS. INTENSITY / VOLUME**2:      120.7411764    
      RIR:      8.234
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.77         59.20        3.5940    1   0   0         6
                26.46         42.70        3.3685    0   0   2         1
                28.14        100.00        3.1710    1   0   1         6
                36.56         25.87        2.4577    1   0   2         6
                43.62         45.35        2.0750    1   1   0         6
                47.76         45.44        1.9045    1   0   3         6
                50.81          6.81        1.7970    2   0   0         6
                51.74         33.96        1.7667    1   1   2         6
                52.72         15.32        1.7363    2   0   1         6
                54.48          2.34        1.6842    0   0   4         1
                58.19          5.64        1.5855    2   0   2         6
                60.73          2.39        1.5251    1   0   4         6
                66.66         14.20        1.4031    2   0   3         6
                69.15          4.62        1.3584    2   1   0        12
                70.75         10.85        1.3316    2   1   1        12
                72.25          5.15        1.3077    1   1   4         6
                75.33          9.33        1.2617    1   0   5         6
                75.46          4.54        1.2598    2   1   2        12
                77.71          1.00        1.2289    2   0   4         6
                80.11          5.67        1.1980    3   0   0         6
                83.10         13.73        1.1623    2   1   3        12
                86.16          6.05        1.1287    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.