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 = 1123 K
      _database_code_amcsd 0002042

      CELL PARAMETERS:    8.2040   8.2040   8.2040   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    552.183
      Density (g/cm3):      4.181
      MAX. ABS. INTENSITY / VOLUME**2:      37.81827924    
      RIR:      2.945
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                30.83         59.99        2.9006    2   2   0        12
                36.32        100.00        2.4736    3   1   1        24
                44.16         13.67        2.0510    4   0   0         6
                48.36          3.24        1.8821    3   3   1        24
                54.82         14.93        1.6746    4   2   2        24
                58.45          3.47        1.5789    3   3   3         8
                58.45         32.11        1.5789    5   1   1        24
                64.22         41.03        1.4503    4   4   0        12
                72.93          4.17        1.2972    6   2   0        24
                76.08          7.42        1.2511    5   3   3        24
                81.24          1.25        1.1842    4   4   4         8
                89.37          5.26        1.0963    6   4   2        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.