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 = 873 K
      _database_code_amcsd 0002037

      CELL PARAMETERS:    8.1839   8.1839   8.1839   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    548.127
      Density (g/cm3):      4.212
      MAX. ABS. INTENSITY / VOLUME**2:      39.51670527    
      RIR:      3.055
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                30.90         63.30        2.8934    2   2   0        12
                36.41        100.00        2.4675    3   1   1        24
                44.27         12.26        2.0460    4   0   0         6
                48.49          4.28        1.8775    3   3   1        24
                54.97         16.37        1.6705    4   2   2        24
                58.61          3.52        1.5750    3   3   3         8
                58.61         34.00        1.5750    5   1   1        24
                64.40         42.99        1.4467    4   4   0        12
                73.14          4.75        1.2940    6   2   0        24
                76.30          8.10        1.2480    5   3   3        24
                81.48          1.18        1.1812    4   4   4         8
                89.65          6.38        1.0936    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.