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 0007715

      CELL PARAMETERS:   10.0980  10.0980  10.0980   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1029.689
      Density (g/cm3):      4.984
      MAX. ABS. INTENSITY / VOLUME**2:      76.79829217    
      RIR:      5.018
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.20         36.54        5.8301    1   1   1         8
                17.57          6.09        5.0490    2   0   0         6
                24.94          5.12        3.5702    2   2   0        12
                29.33         95.45        3.0447    3   1   1        24
                30.67         20.20        2.9150    2   2   2         8
                35.56          7.46        2.5245    4   0   0         6
                38.87          9.45        2.3166    3   3   1        24
                39.93          2.73        2.2580    4   2   0        24
                43.93          2.03        2.0612    4   2   2        24
                46.74         23.73        1.9434    5   1   1        24
                46.74          7.91        1.9434    3   3   3         8
                51.17        100.00        1.7851    4   4   0        12
                53.70          6.59        1.7069    5   3   1        48
                60.08          9.96        1.5399    5   3   3        24
                60.85          5.62        1.5223    6   2   2        24
                63.87          1.62        1.4575    4   4   4         8
                66.08          1.57        1.4140    7   1   1        24
                66.08          1.57        1.4140    5   5   1        24
                71.80         10.48        1.3146    7   3   1        48
                71.80          5.24        1.3146    5   5   3        24
                75.29         12.84        1.2622    8   0   0         6
                82.78          1.08        1.1660    5   5   5         8
                82.78          6.50        1.1660    7   5   1        48
                83.45          2.08        1.1583    6   6   2        24
                86.13          1.56        1.1290    8   4   0        24
                88.14          1.20        1.1084    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.