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: LE20A3, quenched from T = 1150 C after 0.5 hours
      _database_code_amcsd 0008159

      CELL PARAMETERS:    8.1171   8.1171   8.1171   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    534.814
      Density (g/cm3):      3.480
      MAX. ABS. INTENSITY / VOLUME**2:      17.01140289    
      RIR:      1.592
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.94         44.50        4.6864    1   1   1         8
                31.17         26.70        2.8698    2   2   0        12
                36.72        100.00        2.4474    3   1   1        24
                44.65         67.08        2.0293    4   0   0         6
                55.46          7.40        1.6569    4   2   2        24
                59.14          3.27        1.5621    3   3   3         8
                59.14         40.28        1.5621    5   1   1        24
                64.99         71.59        1.4349    4   4   0        12
                68.37          4.34        1.3720    5   3   1        48
                73.84          2.31        1.2834    6   2   0        24
                77.04          9.40        1.2378    5   3   3        24
                78.10          1.03        1.2237    6   2   2        24
                82.30          7.53        1.1716    4   4   4         8
                85.41          2.91        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.