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: synthetic
      Sample: MgFe14, T = 1000 C
      _database_code_amcsd 0004042

      CELL PARAMETERS:    8.1802   8.1802   8.1802   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    547.383
      Density (g/cm3):      3.549
      MAX. ABS. INTENSITY / VOLUME**2:      19.36332763    
      RIR:      1.776
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.79         25.85        4.7228    1   1   1         8
                30.92         33.62        2.8921    2   2   0        12
                36.43        100.00        2.4664    3   1   1        24
                44.29         48.55        2.0450    4   0   0         6
                54.99          8.97        1.6698    4   2   2        24
                58.64          3.33        1.5743    3   3   3         8
                58.64         35.97        1.5743    5   1   1        24
                64.43         59.21        1.4461    4   4   0        12
                67.77          2.12        1.3827    5   3   1        48
                73.17          2.67        1.2934    6   2   0        24
                76.34          8.12        1.2475    5   3   3        24
                81.53          4.63        1.1807    4   4   4         8
                84.60          1.58        1.1455    5   5   1        24
                89.70          3.76        1.0931    6   4   2        48
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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.