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 = 1050 C
      _database_code_amcsd 0004043

      CELL PARAMETERS:    8.1841   8.1841   8.1841   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    548.167
      Density (g/cm3):      3.544
      MAX. ABS. INTENSITY / VOLUME**2:      19.34178879    
      RIR:      1.777
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.78         25.15        4.7251    1   1   1         8
                30.90         33.61        2.8935    2   2   0        12
                36.41        100.00        2.4676    3   1   1        24
                44.27         48.25        2.0460    4   0   0         6
                54.96          9.02        1.6706    4   2   2        24
                58.61          3.37        1.5750    3   3   3         8
                58.61         35.53        1.5750    5   1   1        24
                64.40         58.89        1.4468    4   4   0        12
                67.74          2.03        1.3834    5   3   1        48
                73.13          2.70        1.2940    6   2   0        24
                76.30          8.06        1.2481    5   3   3        24
                81.48          4.55        1.1813    4   4   4         8
                84.55          1.51        1.1460    5   5   1        24
                89.64          3.75        1.0936    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.