Pentlandite
      Tsukimura K, Nakazawa H, Endo T, Fukunaga O
      Physics and Chemistry of Minerals 19 (1992) 203-212
      Cation distribution in Pentlandites (Fe,Ni)9S8: dependence of pressure and
      temperature and kinetics of the cation exchange reaction
      Sample: Natural, Fe/(Fe+Ni) = .470, T = 448 K, P = 0 GPa
      Note: structure was not refined in this study
      _database_code_amcsd 0007714

      CELL PARAMETERS:   10.0820  10.0820  10.0820   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1024.802
      Density (g/cm3):      5.008
      MAX. ABS. INTENSITY / VOLUME**2:      77.08365677    
      RIR:      5.012
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.22         37.12        5.8208    1   1   1         8
                17.59          5.99        5.0410    2   0   0         6
                24.98          5.03        3.5645    2   2   0        12
                29.38         95.26        3.0398    3   1   1        24
                30.72         20.34        2.9104    2   2   2         8
                35.62          7.59        2.5205    4   0   0         6
                38.94          9.62        2.3130    3   3   1        24
                39.99          2.67        2.2544    4   2   0        24
                44.00          1.98        2.0580    4   2   2        24
                46.82         23.65        1.9403    5   1   1        24
                46.82          7.88        1.9403    3   3   3         8
                51.26        100.00        1.7823    4   4   0        12
                53.79          6.71        1.7042    5   3   1        48
                60.19          9.92        1.5375    5   3   3        24
                60.96          5.66        1.5199    6   2   2        24
                63.98          1.65        1.4552    4   4   4         8
                66.20          1.60        1.4118    7   1   1        24
                66.20          1.60        1.4118    5   5   1        24
                71.94         10.43        1.3126    7   3   1        48
                71.94          5.22        1.3126    5   5   3        24
                75.43         12.83        1.2602    8   0   0         6
                82.94          6.47        1.1642    7   5   1        48
                82.94          1.08        1.1642    5   5   5         8
                83.61          2.09        1.1565    6   6   2        24
                86.30          1.59        1.1272    8   4   0        24
                88.31          1.22        1.1066    7   5   3        48
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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.