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 = 650 C
      _database_code_amcsd 0004052

      CELL PARAMETERS:    8.1386   8.1386   8.1386   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    539.075
      Density (g/cm3):      3.556
      MAX. ABS. INTENSITY / VOLUME**2:      18.91007344    
      RIR:      1.731
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.89         30.17        4.6988    1   1   1         8
                31.08         33.61        2.8774    2   2   0        12
                36.62        100.00        2.4539    3   1   1        24
                44.53         52.64        2.0347    4   0   0         6
                55.30          9.00        1.6613    4   2   2        24
                58.97          3.12        1.5663    3   3   3         8
                58.97         39.79        1.5663    5   1   1        24
                64.80         64.74        1.4387    4   4   0        12
                68.17          2.68        1.3757    5   3   1        48
                73.61          2.69        1.2868    6   2   0        24
                76.80          8.95        1.2411    5   3   3        24
                82.03          5.53        1.1747    4   4   4         8
                85.14          2.17        1.1396    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.