Magnesioferrite
      Nakatsuka A, Ueno H, Nakayama N, Mizota T, Maekawa H
      Physics and Chemistry of Minerals 31 (2004) 278-287
      Single-crystal X-ray diffraction study of cation distribution
      in MgAl2O4-MgFe2O4 spinel solid solution
      Sample: T = 23 C, x = 1.77
      _database_code_amcsd 0008863

      CELL PARAMETERS:    8.3422   8.3422   8.3422   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    580.553
      Density (g/cm3):      4.423
      MAX. ABS. INTENSITY / VOLUME**2:      56.34804941    
      RIR:      4.148
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.42          2.87        4.8164    1   1   1         8
                30.30         37.53        2.9494    2   2   0        12
                35.70        100.00        2.5153    3   1   1        24
                37.34          1.82        2.4082    2   2   2         8
                43.39         19.32        2.0856    4   0   0         6
                53.84         12.24        1.7028    4   2   2        24
                57.40          5.58        1.6055    3   3   3         8
                57.40         27.48        1.6055    5   1   1        24
                63.04         45.40        1.4747    4   4   0        12
                71.53          4.34        1.3190    6   2   0        24
                74.60          8.65        1.2722    5   3   3        24
                75.61          1.79        1.2576    6   2   2        24
                79.62          2.27        1.2041    4   4   4         8
                87.51          4.97        1.1148    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.