Magnesioferrite
      O'Neill H St C, Annersten H, Virgo D
      American Mineralogist 77 (1992) 725-740
      The temperature dependence of the cation distribution in magnesioferrite
      (MgFe2O4) from powder XRD structural refinements and Mossbauer spectroscopy
      batch 2, anneal T = 1000 C using Rietveld method
      _database_code_amcsd 0001501

      CELL PARAMETERS:    8.3981   8.3981   8.3981   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    592.302
      Density (g/cm3):      4.485
      MAX. ABS. INTENSITY / VOLUME**2:      61.04267641    
      RIR:      4.432
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.30          7.24        4.8486    1   1   1         8
                30.10         31.01        2.9692    2   2   0        12
                35.45        100.00        2.5321    3   1   1        24
                37.08          3.73        2.4243    2   2   2         8
                43.08         23.43        2.0995    4   0   0         6
                53.45         10.51        1.7143    4   2   2        24
                56.98          5.89        1.6162    3   3   3         8
                56.98         27.66        1.6162    5   1   1        24
                62.57         47.28        1.4846    4   4   0        12
                70.98          3.85        1.3279    6   2   0        24
                74.02          9.11        1.2807    5   3   3        24
                75.02          2.65        1.2661    6   2   2        24
                78.99          3.03        1.2122    4   4   4         8
                86.78          4.47        1.1222    6   4   2        48
                89.68          6.14        1.0933    5   5   3        24
                89.68          8.49        1.0933    7   3   1        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.