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 = 773 K
      _database_code_amcsd 0002035

      CELL PARAMETERS:    8.1766   8.1766   8.1766   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    546.655
      Density (g/cm3):      4.223
      MAX. ABS. INTENSITY / VOLUME**2:      39.96052321    
      RIR:      3.081
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                30.93         61.86        2.8909    2   2   0        12
                36.44        100.00        2.4653    3   1   1        24
                44.31         12.68        2.0441    4   0   0         6
                48.53          4.01        1.8758    3   3   1        24
                55.02         16.35        1.6690    4   2   2        24
                58.67          3.63        1.5736    3   3   3         8
                58.67         34.24        1.5736    5   1   1        24
                64.46         43.75        1.4454    4   4   0        12
                73.21          4.86        1.2928    6   2   0        24
                76.38          8.34        1.2469    5   3   3        24
                81.57          1.23        1.1802    4   4   4         8
                89.75          6.60        1.0926    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.