Fe2 S Se
      Alsen N
      Geologiska Foreningens i Stockholm Forhandlingar 47 (1925) 19-73
      Roentgenographische Untersuchungen der Kristallstrukturen von Magnetkies,
      Breithauptit, Pentlandit, Millerit und verwandten Verbindungen
      _cod_database_code 1010434
      _database_code_amcsd 0017357

      CELL PARAMETERS:    3.5400   3.5400   5.9100   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     64.139
      Density (g/cm3):      5.765
      MAX. ABS. INTENSITY / VOLUME**2:      105.3267484    
      RIR:      5.949
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                29.13         19.15        3.0657    1   0   0         6
                32.91         67.38        2.7214    1   0   1        12
                42.49        100.00        2.1276    1   0   2        12
                51.64         46.14        1.7700    1   1   0         6
                55.44         13.10        1.6573    1   0   3        12
                60.39          1.81        1.5329    2   0   0         6
                62.61          8.74        1.4838    2   0   1        12
                62.90          7.79        1.4775    0   0   4         2
                69.02         19.06        1.3607    2   0   2        12
                70.79          1.93        1.3310    1   0   4        12
                79.17          4.14        1.2098    2   0   3        12
                85.37          2.24        1.1371    2   1   1        24
                85.64         17.12        1.1343    1   1   4        12
                88.70          3.07        1.1029    1   0   5        12
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.