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 = 1223 K
      _database_code_amcsd 0002044

      CELL PARAMETERS:    8.2125   8.2125   8.2125   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    553.897
      Density (g/cm3):      4.168
      MAX. ABS. INTENSITY / VOLUME**2:      37.11924828    
      RIR:      2.900
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                30.79         58.83        2.9036    2   2   0        12
                36.28        100.00        2.4762    3   1   1        24
                44.11         14.21        2.0531    4   0   0         6
                48.31          2.89        1.8841    3   3   1        24
                54.76         14.38        1.6764    4   2   2        24
                58.39          3.44        1.5805    3   3   3         8
                58.39         31.34        1.5805    5   1   1        24
                64.15         40.21        1.4518    4   4   0        12
                72.84          3.94        1.2985    6   2   0        24
                75.98          7.14        1.2524    5   3   3        24
                81.14          1.27        1.1854    4   4   4         8
                89.25          4.84        1.0974    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.