Spinel
      Finger L W, Hazen R M, Hofmeister A M
      Physics and Chemistry of Minerals 13 (1986) 215-220
      High-pressure crystal chemistry of spinel (MgAl2O4)
      and magnetite (Fe3O4): comparisons with silicate spinels
      Sample: P = 40 kbar
      _database_code_amcsd 0007393

      CELL PARAMETERS:    8.0340   8.0340   8.0340   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    518.556
      Density (g/cm3):      3.644
      MAX. ABS. INTENSITY / VOLUME**2:      18.45182183    
      RIR:      1.649
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.13         35.83        4.6384    1   1   1         8
                31.50         33.43        2.8404    2   2   0        12
                37.11        100.00        2.4223    3   1   1        24
                45.14         56.22        2.0085    4   0   0         6
                56.08          8.69        1.6399    4   2   2        24
                59.82         41.90        1.5461    5   1   1        24
                59.82          2.88        1.5461    3   3   3         8
                65.75         67.18        1.4202    4   4   0        12
                69.18          3.25        1.3580    5   3   1        48
                74.73          2.50        1.2703    6   2   0        24
                77.99          9.22        1.2252    5   3   3        24
                83.34          6.17        1.1596    4   4   4         8
                86.51          2.71        1.1250    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.