Spinel
      Menegazzo G, Carbonin S
      Physics and Chemistry of Minerals 25 (1998) 541-547
      Oxidation mechanisms in Al-Mg-Fe spinels.
      A second stage: alpha-Fe2O3 exsolution
      Sample: LE20A4, quenched from T = 1150 C after 5.5 hours
      _database_code_amcsd 0008160

      CELL PARAMETERS:    8.1166   8.1166   8.1166   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    534.715
      Density (g/cm3):      3.463
      MAX. ABS. INTENSITY / VOLUME**2:      16.49281337    
      RIR:      1.551
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.94         49.46        4.6861    1   1   1         8
                31.17         25.49        2.8697    2   2   0        12
                36.72        100.00        2.4472    3   1   1        24
                44.66         70.37        2.0292    4   0   0         6
                55.46          6.94        1.6568    4   2   2        24
                59.15          3.19        1.5620    3   3   3         8
                59.15         40.40        1.5620    5   1   1        24
                65.00         72.07        1.4348    4   4   0        12
                68.38          4.83        1.3720    5   3   1        48
                73.84          2.13        1.2833    6   2   0        24
                77.05          9.29        1.2378    5   3   3        24
                78.10          1.07        1.2236    6   2   2        24
                82.30          7.86        1.1715    4   4   4         8
                85.42          3.12        1.1366    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.