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 = 450 C
      _database_code_amcsd 0004048

      CELL PARAMETERS:    8.1219   8.1219   8.1219   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    535.763
      Density (g/cm3):      3.579
      MAX. ABS. INTENSITY / VOLUME**2:      19.41037876    
      RIR:      1.766
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.93         29.02        4.6892    1   1   1         8
                31.15         32.87        2.8715    2   2   0        12
                36.70        100.00        2.4488    3   1   1        24
                44.63         52.86        2.0305    4   0   0         6
                55.42          9.19        1.6579    4   2   2        24
                59.10          3.32        1.5631    3   3   3         8
                59.10         39.69        1.5631    5   1   1        24
                64.95         66.29        1.4358    4   4   0        12
                68.33          2.62        1.3729    5   3   1        48
                73.79          2.88        1.2842    6   2   0        24
                76.99          9.30        1.2386    5   3   3        24
                82.24          5.74        1.1723    4   4   4         8
                85.35          2.12        1.1373    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.