Hercynite
      Harrison R J, Redfern S A T, O'Neill H St C
      American Mineralogist 83 (1998) 1092-1099
      The temperature dependence of the cation distribution in synthetic hercynite
      (FeAl2O4) from in-situ neutron structure refinements
      Sample at T = 723 K
      _database_code_amcsd 0002034

      CELL PARAMETERS:    8.1730   8.1730   8.1730   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    545.936
      Density (g/cm3):      4.229
      MAX. ABS. INTENSITY / VOLUME**2:      40.18916526    
      RIR:      3.095
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                30.95         61.78        2.8896    2   2   0        12
                36.46        100.00        2.4642    3   1   1        24
                44.33         12.68        2.0432    4   0   0         6
                48.55          4.04        1.8750    3   3   1        24
                55.05         16.46        1.6683    4   2   2        24
                58.70          3.65        1.5729    3   3   3         8
                58.70         34.46        1.5729    5   1   1        24
                64.50         44.09        1.4448    4   4   0        12
                73.25          4.93        1.2923    6   2   0        24
                76.42          8.45        1.2464    5   3   3        24
                81.61          1.24        1.1797    4   4   4         8
                89.80          6.76        1.0922    6   4   2        48
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.