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 = 923 K
      _database_code_amcsd 0002038

      CELL PARAMETERS:    8.1878   8.1878   8.1878   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    548.913
      Density (g/cm3):      4.206
      MAX. ABS. INTENSITY / VOLUME**2:      39.18047310    
      RIR:      3.033
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                30.89         62.69        2.8948    2   2   0        12
                36.39        100.00        2.4687    3   1   1        24
                44.25         12.54        2.0470    4   0   0         6
                48.46          4.07        1.8784    3   3   1        24
                54.94         16.07        1.6713    4   2   2        24
                58.58          3.51        1.5757    3   3   3         8
                58.58         33.66        1.5757    5   1   1        24
                64.37         42.62        1.4474    4   4   0        12
                73.09          4.62        1.2946    6   2   0        24
                76.25          7.97        1.2486    5   3   3        24
                81.43          1.20        1.1818    4   4   4         8
                89.59          6.14        1.0941    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.