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 = 473 K, P = 0 GPa
      Note: structure was not refined in this study
      _database_code_amcsd 0007710

      CELL PARAMETERS:   10.0940  10.0940  10.0940   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1028.466
      Density (g/cm3):      4.990
      MAX. ABS. INTENSITY / VOLUME**2:      76.87464574    
      RIR:      5.017
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.20         36.69        5.8278    1   1   1         8
                17.57          6.06        5.0470    2   0   0         6
                24.95          5.10        3.5688    2   2   0        12
                29.35         95.41        3.0435    3   1   1        24
                30.68         20.24        2.9139    2   2   2         8
                35.58          7.49        2.5235    4   0   0         6
                38.89          9.50        2.3157    3   3   1        24
                39.94          2.72        2.2571    4   2   0        24
                43.94          2.02        2.0604    4   2   2        24
                46.76         23.71        1.9426    5   1   1        24
                46.76          7.90        1.9426    3   3   3         8
                51.19        100.00        1.7844    4   4   0        12
                53.72          6.62        1.7062    5   3   1        48
                60.11          9.95        1.5393    5   3   3        24
                60.88          5.63        1.5217    6   2   2        24
                63.89          1.63        1.4569    4   4   4         8
                66.11          1.57        1.4134    7   1   1        24
                66.11          1.57        1.4134    5   5   1        24
                71.84         10.47        1.3141    7   3   1        48
                71.84          5.24        1.3141    5   5   3        24
                75.32         12.84        1.2617    8   0   0         6
                82.82          6.50        1.1656    7   5   1        48
                82.82          1.08        1.1656    5   5   5         8
                83.49          2.08        1.1579    6   6   2        24
                86.17          1.57        1.1285    8   4   0        24
                88.18          1.21        1.1080    7   5   3        48
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.