Spinel
      Martignago F, Andreozzi G B, Dal Negro A
      American Mineralogist 91 (2006) 306-312
      Thermodynamics and kinetics of cation ordering in natural and synthetic
      Mg(Al,Fe3+)2O4 spinels from in situ high-temperature X-ray diffraction
      Locality: synthetic
      Sample: MgFe14, T = 500 C
      _database_code_amcsd 0004035

      CELL PARAMETERS:    8.1408   8.1408   8.1408   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    539.512
      Density (g/cm3):      3.603
      MAX. ABS. INTENSITY / VOLUME**2:      20.47681678    
      RIR:      1.851
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.88         26.72        4.7001    1   1   1         8
                31.07         33.62        2.8782    2   2   0        12
                36.61        100.00        2.4545    3   1   1        24
                44.52         49.93        2.0352    4   0   0         6
                55.28          9.41        1.6617    4   2   2        24
                58.95          3.37        1.5667    3   3   3         8
                58.95         39.47        1.5667    5   1   1        24
                64.78         64.94        1.4391    4   4   0        12
                68.15          2.45        1.3760    5   3   1        48
                73.59          2.94        1.2872    6   2   0        24
                76.78          9.31        1.2415    5   3   3        24
                82.00          5.48        1.1750    4   4   4         8
                85.11          2.04        1.1399    5   5   1        24
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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.