Argentopentlandite
      Hall S R, Stewart J M
      The Canadian Mineralogist 12 (1973) 169-177
      The crystal structure of argentian pentlandite (Fe,Ni)8AgS8, compared with
      the refined structure of pentlandite (Fe,Ni)9S8
      _database_code_amcsd 0005093

      CELL PARAMETERS:   10.5210  10.5210  10.5210   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1164.585
      Density (g/cm3):      4.678
      MAX. ABS. INTENSITY / VOLUME**2:      92.34066896    
      RIR:      6.428
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.58          8.50        6.0743    1   1   1         8
                16.85         10.56        5.2605    2   0   0         6
                23.92         11.33        3.7197    2   2   0        12
                28.13        100.00        3.1722    3   1   1        24
                29.41          8.90        3.0372    2   2   2         8
                34.09          2.43        2.6302    4   0   0         6
                37.25          2.25        2.4137    3   3   1        24
                38.26          7.43        2.3526    4   2   0        24
                42.07          4.37        2.1476    4   2   2        24
                44.76         19.89        2.0248    5   1   1        24
                44.76         10.20        2.0248    3   3   3         8
                48.98         80.88        1.8599    4   4   0        12
                51.38          1.47        1.7784    5   3   1        48
                52.16          1.73        1.7535    4   4   2        24
                55.22          1.72        1.6635    6   2   0        24
                57.44         10.35        1.6044    5   3   3        24
                58.16          2.47        1.5861    6   2   2        24
                66.51          1.75        1.4059    6   4   2        48
                68.50         13.26        1.3697    7   3   1        48
                68.50          4.29        1.3697    5   5   3        24
                71.77         10.19        1.3151    8   0   0         6
                74.35          1.05        1.2759    6   4   4        24
                78.78          6.47        1.2149    7   5   1        48
                88.69          3.52        1.1029    9   3   1        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.