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: TS11B7, temperature lowered from T = 1150 C to 280 C in 117 hours
      _database_code_amcsd 0008157

      CELL PARAMETERS:    8.1110   8.1110   8.1110   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    533.609
      Density (g/cm3):      3.732
      MAX. ABS. INTENSITY / VOLUME**2:      23.35132563    
      RIR:      2.037
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.95         17.55        4.6829    1   1   1         8
                31.19         37.33        2.8677    2   2   0        12
                36.75        100.00        2.4456    3   1   1        24
                44.69         41.33        2.0278    4   0   0         6
                55.50         10.65        1.6557    4   2   2        24
                59.19          3.60        1.5610    3   3   3         8
                59.19         37.99        1.5610    5   1   1        24
                65.05         61.36        1.4338    4   4   0        12
                68.43          1.57        1.3710    5   3   1        48
                73.90          3.42        1.2825    6   2   0        24
                77.11          9.33        1.2369    5   3   3        24
                82.37          4.54        1.1707    4   4   4         8
                85.49          1.52        1.1358    5   5   1        24
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.