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 = 423 K, P = 0 GPa
      Note: structure was not refined in this study
      _database_code_amcsd 0007718

      CELL PARAMETERS:   10.0430  10.0430  10.0430   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1012.956
      Density (g/cm3):      5.066
      MAX. ABS. INTENSITY / VOLUME**2:      77.77408216    
      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         38.55        5.7983    1   1   1         8
                17.66          5.75        5.0215    2   0   0         6
                25.08          4.81        3.5507    2   2   0        12
                29.50         94.79        3.0281    3   1   1        24
                30.84         20.69        2.8992    2   2   2         8
                35.76          7.90        2.5108    4   0   0         6
                39.10         10.02        2.3040    3   3   1        24
                40.15          2.54        2.2457    4   2   0        24
                44.18          1.88        2.0500    4   2   2        24
                47.01         23.45        1.9328    5   1   1        24
                47.01          7.82        1.9328    3   3   3         8
                51.47        100.00        1.7754    4   4   0        12
                54.02          6.99        1.6976    5   3   1        48
                60.45          9.81        1.5315    5   3   3        24
                61.22          5.77        1.5140    6   2   2        24
                64.26          1.71        1.4496    4   4   4         8
                66.49          1.67        1.4063    7   1   1        24
                66.49          1.67        1.4063    5   5   1        24
                72.26         10.31        1.3075    7   3   1        48
                72.26          5.16        1.3075    5   5   3        24
                75.77         12.82        1.2554    8   0   0         6
                83.33          1.07        1.1597    5   5   5         8
                83.33          6.41        1.1597    7   5   1        48
                84.01          2.14        1.1520    6   6   2        24
                86.72          1.66        1.1228    8   4   0        24
                88.75          1.28        1.1024    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.