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 1, anneal T = 650 C using Rietveld method
      _database_code_amcsd 0001490

      CELL PARAMETERS:    8.3883   8.3883   8.3883   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    590.231
      Density (g/cm3):      4.501
      MAX. ABS. INTENSITY / VOLUME**2:      62.53195732    
      RIR:      4.524
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.32          4.03        4.8430    1   1   1         8
                30.13         34.64        2.9657    2   2   0        12
                35.49        100.00        2.5292    3   1   1        24
                37.13          2.95        2.4215    2   2   2         8
                43.14         20.08        2.0971    4   0   0         6
                53.52         11.78        1.7123    4   2   2        24
                57.05         27.76        1.6143    5   1   1        24
                57.05          5.93        1.6143    3   3   3         8
                62.65         46.47        1.4829    4   4   0        12
                71.08          4.34        1.3263    6   2   0        24
                74.12          9.20        1.2792    5   3   3        24
                75.12          2.36        1.2646    6   2   2        24
                79.10          2.55        1.2107    4   4   4         8
                86.90          5.05        1.1209    6   4   2        48
                89.81          6.23        1.0921    5   5   3        24
                89.81          8.67        1.0921    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.