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: Shishimsk Mountains, Urals, Russia
      Sample: 3dis, T = 25 C, untreated
      _database_code_amcsd 0004044

      CELL PARAMETERS:    8.0973   8.0973   8.0973   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    530.910
      Density (g/cm3):      3.610
      MAX. ABS. INTENSITY / VOLUME**2:      19.81194184    
      RIR:      1.787
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.98         36.47        4.6750    1   1   1         8
                31.24         32.65        2.8628    2   2   0        12
                36.81        100.00        2.4414    3   1   1        24
                44.77         57.14        2.0243    4   0   0         6
                55.60          8.97        1.6529    4   2   2        24
                59.30          2.96        1.5583    3   3   3         8
                59.30         45.66        1.5583    5   1   1        24
                65.17         73.04        1.4314    4   4   0        12
                68.56          3.76        1.3687    5   3   1        48
                74.05          2.74        1.2803    6   2   0        24
                77.26         10.58        1.2348    5   3   3        24
                78.33          1.18        1.2207    6   2   2        24
                82.54          7.12        1.1687    4   4   4         8
                85.67          3.34        1.1338    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.