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 0007711

      CELL PARAMETERS:   10.1010  10.1010  10.1010   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1030.607
      Density (g/cm3):      4.979
      MAX. ABS. INTENSITY / VOLUME**2:      76.75098129    
      RIR:      5.019
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.19         36.44        5.8318    1   1   1         8
                17.56          6.10        5.0505    2   0   0         6
                24.93          5.14        3.5712    2   2   0        12
                29.33         95.49        3.0456    3   1   1        24
                30.66         20.18        2.9159    2   2   2         8
                35.55          7.44        2.5252    4   0   0         6
                38.86          9.43        2.3173    3   3   1        24
                39.91          2.74        2.2587    4   2   0        24
                43.91          2.03        2.0619    4   2   2        24
                46.73         23.75        1.9439    5   1   1        24
                46.73          7.92        1.9439    3   3   3         8
                51.16        100.00        1.7856    4   4   0        12
                53.68          6.57        1.7074    5   3   1        48
                60.06          9.97        1.5404    5   3   3        24
                60.83          5.61        1.5228    6   2   2        24
                63.84          1.62        1.4580    4   4   4         8
                66.05          1.56        1.4144    5   5   1        24
                66.05          1.56        1.4144    7   1   1        24
                71.78          5.25        1.3150    5   5   3        24
                71.78         10.49        1.3150    7   3   1        48
                75.26         12.84        1.2626    8   0   0         6
                82.75          1.08        1.1664    5   5   5         8
                82.75          6.51        1.1664    7   5   1        48
                83.42          2.07        1.1587    6   6   2        24
                86.10          1.56        1.1293    8   4   0        24
                88.11          1.20        1.1087    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.