Greigite
      Skinner B J, Erd R C, Grimaldi F S
      American Mineralogist 49 (1964) 543-555
      Greigite, the thio-spinel of iron; a new mineral
      _database_code_amcsd 0000127

      CELL PARAMETERS:    9.8760   9.8760   9.8760   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    963.260
      Density (g/cm3):      4.079
      MAX. ABS. INTENSITY / VOLUME**2:      48.58580032    
      RIR:      3.879
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.54          6.20        5.7019    1   1   1         8
                25.51         27.78        3.4917    2   2   0        12
                30.01        100.00        2.9777    3   1   1        24
                36.39         47.94        2.4690    4   0   0         6
                39.78          1.04        2.2657    3   3   1        24
                44.97          8.67        2.0159    4   2   2        24
                47.86         20.33        1.9006    5   1   1        24
                47.86          6.36        1.9006    3   3   3         8
                52.41         61.98        1.7458    4   4   0        12
                59.17          2.74        1.5615    6   2   0        24
                61.58          6.61        1.5061    5   3   3        24
                65.48          5.83        1.4255    4   4   4         8
                71.49          2.25        1.3197    6   4   2        48
                73.68          5.44        1.2857    7   3   1        48
                73.68          2.91        1.2857    5   5   3        24
                77.29          5.37        1.2345    8   0   0         6
                85.07          2.86        1.1404    7   5   1        48
                88.56          4.66        1.1042    8   4   0        24
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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.