Magnesioferrite
      Antao S M, Hassan I, Crichton W A, Parise J B
      American Mineralogist 90 (2005) 1500-1505
      Effects of high pressure and high temperature on cation ordering in
      magnesioferrite, MgFe2O4, using in situ synchrotron X-ray powder
      diffraction up to 1430 K and 6 GPa
      Sample: T = 870 K, P = 5 GPa during cooling
      _database_code_amcsd 0003906

      CELL PARAMETERS:    8.3549   8.3549   8.3549   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    583.206
      Density (g/cm3):      4.555
      MAX. ABS. INTENSITY / VOLUME**2:      63.00713719    
      RIR:      4.504
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.39          2.29        4.8237    1   1   1         8
                30.26         36.85        2.9539    2   2   0        12
                35.64        100.00        2.5191    3   1   1        24
                37.28          2.45        2.4118    2   2   2         8
                43.32         19.41        2.0887    4   0   0         6
                53.75         11.51        1.7054    4   2   2        24
                57.30          5.76        1.6079    3   3   3         8
                57.30         26.92        1.6079    5   1   1        24
                62.93         45.66        1.4769    4   4   0        12
                71.41          3.90        1.3210    6   2   0        24
                74.47          8.70        1.2741    5   3   3        24
                75.48          2.25        1.2595    6   2   2        24
                79.48          2.87        1.2059    4   4   4         8
                87.34          4.21        1.1165    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.