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, quenced from 1000 C
      _database_code_amcsd 0004045

      CELL PARAMETERS:    8.0937   8.0937   8.0937   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    530.202
      Density (g/cm3):      3.621
      MAX. ABS. INTENSITY / VOLUME**2:      20.41135958    
      RIR:      1.835
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.99         27.73        4.6729    1   1   1         8
                31.26         33.00        2.8616    2   2   0        12
                36.83        100.00        2.4403    3   1   1        24
                44.79         52.70        2.0234    4   0   0         6
                55.63          9.65        1.6521    4   2   2        24
                59.33          3.48        1.5576    3   3   3         8
                59.33         41.55        1.5576    5   1   1        24
                65.21         69.96        1.4308    4   4   0        12
                68.60          2.72        1.3681    5   3   1        48
                74.09          3.17        1.2797    6   2   0        24
                77.30         10.21        1.2343    5   3   3        24
                78.37          1.01        1.2202    6   2   2        24
                82.59          6.27        1.1682    4   4   4         8
                85.72          2.35        1.1333    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.