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 = 1273 K
      _database_code_amcsd 0002045

      CELL PARAMETERS:    8.2168   8.2168   8.2168   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    554.764
      Density (g/cm3):      4.154
      MAX. ABS. INTENSITY / VOLUME**2:      36.60123455    
      RIR:      2.869
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                30.78         58.64        2.9051    2   2   0        12
                36.26        100.00        2.4775    3   1   1        24
                44.08         14.38        2.0542    4   0   0         6
                48.28          2.81        1.8851    3   3   1        24
                54.73         14.20        1.6772    4   2   2        24
                58.35          3.42        1.5813    3   3   3         8
                58.35         31.01        1.5813    5   1   1        24
                64.11         39.85        1.4525    4   4   0        12
                72.80          3.85        1.2992    6   2   0        24
                75.94          7.00        1.2531    5   3   3        24
                81.09          1.27        1.1860    4   4   4         8
                89.19          4.67        1.0980    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.