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: Naturala, Fe/(Fe+Ni) = .470, T = 293 K, P = 1 GPa
      Note: structure was not refined in this study
      _database_code_amcsd 0007722

      CELL PARAMETERS:   10.0440  10.0440  10.0440   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1013.258
      Density (g/cm3):      5.065
      MAX. ABS. INTENSITY / VOLUME**2:      77.75507523    
      RIR:      4.999
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.28         38.51        5.7989    1   1   1         8
                17.66          5.76        5.0220    2   0   0         6
                25.08          4.81        3.5511    2   2   0        12
                29.50         94.81        3.0284    3   1   1        24
                30.84         20.68        2.8995    2   2   2         8
                35.76          7.90        2.5110    4   0   0         6
                39.09         10.01        2.3043    3   3   1        24
                40.15          2.54        2.2459    4   2   0        24
                44.17          1.88        2.0502    4   2   2        24
                47.01         23.45        1.9330    5   1   1        24
                47.01          7.82        1.9330    3   3   3         8
                51.47        100.00        1.7755    4   4   0        12
                54.01          6.99        1.6977    5   3   1        48
                60.44          9.81        1.5317    5   3   3        24
                61.21          5.77        1.5142    6   2   2        24
                64.25          1.71        1.4497    4   4   4         8
                66.48          1.66        1.4064    7   1   1        24
                66.48          1.66        1.4064    5   5   1        24
                72.25         10.31        1.3076    7   3   1        48
                72.25          5.16        1.3076    5   5   3        24
                75.76         12.82        1.2555    8   0   0         6
                83.32          6.41        1.1598    7   5   1        48
                83.32          1.07        1.1598    5   5   5         8
                84.00          2.14        1.1521    6   6   2        24
                86.71          1.66        1.1230    8   4   0        24
                88.74          1.28        1.1025    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.