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 = 1373 K
      _database_code_amcsd 0002047

      CELL PARAMETERS:    8.2253   8.2253   8.2253   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    556.477
      Density (g/cm3):      4.147
      MAX. ABS. INTENSITY / VOLUME**2:      36.10268496    
      RIR:      2.835
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                30.75         57.37        2.9081    2   2   0        12
                36.22        100.00        2.4800    3   1   1        24
                44.04         14.92        2.0563    4   0   0         6
                48.23          2.45        1.8870    3   3   1        24
                54.67         13.64        1.6790    4   2   2        24
                58.29         30.20        1.5830    5   1   1        24
                58.29          3.40        1.5830    3   3   3         8
                64.04         39.01        1.4540    4   4   0        12
                72.71          3.63        1.3005    6   2   0        24
                75.85          6.73        1.2543    5   3   3        24
                80.99          1.30        1.1872    4   4   4         8
                89.08          4.27        1.0991    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.