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 = 298 K
      _database_code_amcsd 0002031

      CELL PARAMETERS:    8.1458   8.1458   8.1458   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    540.503
      Density (g/cm3):      4.271
      MAX. ABS. INTENSITY / VOLUME**2:      42.42136056    
      RIR:      3.234
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                31.05         61.34        2.8800    2   2   0        12
                36.59        100.00        2.4560    3   1   1        24
                44.49         12.47        2.0364    4   0   0         6
                48.73          4.34        1.8688    3   3   1        24
                55.24         17.62        1.6628    4   2   2        24
                58.91          3.91        1.5677    3   3   3         8
                58.91         36.54        1.5677    5   1   1        24
                64.74         47.30        1.4400    4   4   0        12
                73.53          5.73        1.2880    6   2   0        24
                76.72          9.57        1.2422    5   3   3        24
                81.94          1.25        1.1757    4   4   4         8
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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.