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 = 200 C
      _database_code_amcsd 0004032

      CELL PARAMETERS:    8.1184   8.1184   8.1184   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    535.071
      Density (g/cm3):      3.633
      MAX. ABS. INTENSITY / VOLUME**2:      21.15263482    
      RIR:      1.896
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.93         26.09        4.6872    1   1   1         8
                31.16         33.60        2.8703    2   2   0        12
                36.71        100.00        2.4478    3   1   1        24
                44.65         50.16        2.0296    4   0   0         6
                55.45          9.73        1.6572    4   2   2        24
                59.13          3.47        1.5624    3   3   3         8
                59.13         40.82        1.5624    5   1   1        24
                64.98         67.74        1.4351    4   4   0        12
                68.36          2.53        1.3723    5   3   1        48
                73.82          3.15        1.2836    6   2   0        24
                77.03          9.96        1.2380    5   3   3        24
                78.08          1.04        1.2239    6   2   2        24
                82.28          5.88        1.1718    4   4   4         8
                85.40          2.20        1.1368    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.