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 = 473 K
      _database_code_amcsd 0002032

      CELL PARAMETERS:    8.1561   8.1561   8.1561   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    542.564
      Density (g/cm3):      4.255
      MAX. ABS. INTENSITY / VOLUME**2:      41.50925896    
      RIR:      3.177
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                31.01         61.52        2.8836    2   2   0        12
                36.54        100.00        2.4592    3   1   1        24
                44.43         12.58        2.0390    4   0   0         6
                48.66          4.21        1.8711    3   3   1        24
                55.17         17.13        1.6649    4   2   2        24
                58.83         35.69        1.5696    5   1   1        24
                58.83          3.80        1.5696    3   3   3         8
                64.65         46.00        1.4418    4   4   0        12
                73.42          5.38        1.2896    6   2   0        24
                76.60          9.10        1.2438    5   3   3        24
                81.82          1.26        1.1772    4   4   4         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.