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 = 200 C
      _database_code_amcsd 0004046

      CELL PARAMETERS:    8.1039   8.1039   8.1039   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    532.209
      Density (g/cm3):      3.597
      MAX. ABS. INTENSITY / VOLUME**2:      19.83713292    
      RIR:      1.796
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.97         28.21        4.6788    1   1   1         8
                31.22         33.24        2.8652    2   2   0        12
                36.78        100.00        2.4434    3   1   1        24
                44.73         52.85        2.0260    4   0   0         6
                55.55          9.52        1.6542    4   2   2        24
                59.25          3.38        1.5596    3   3   3         8
                59.25         41.11        1.5596    5   1   1        24
                65.11         68.76        1.4326    4   4   0        12
                68.50          2.68        1.3698    5   3   1        48
                73.98          3.06        1.2813    6   2   0        24
                77.19          9.88        1.2358    5   3   3        24
                82.46          6.07        1.1697    4   4   4         8
                85.59          2.28        1.1348    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.