NiAl2O4
      O'Neill H St C, Dollase W A, Ross C R
      Physics and Chemistry of Minerals 18 (1991) 302-319
      Temperature dependence of the cation distribution in nickel
      aluminate (NiAl2O4) spinel: a powder XRD study
      Sample: quenched from 1150 C, held for 5m, UCLA (Cu), Model 1
      _database_code_amcsd 0007557

      CELL PARAMETERS:    8.0481   8.0481   8.0481   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    521.291
      Density (g/cm3):      4.501
      MAX. ABS. INTENSITY / VOLUME**2:      44.89058112    
      RIR:      3.247
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.10         21.40        4.6466    1   1   1         8
                31.44         22.63        2.8454    2   2   0        12
                37.05        100.00        2.4266    3   1   1        24
                38.76          3.27        2.3233    2   2   2         8
                45.06         38.29        2.0120    4   0   0         6
                49.36          1.57        1.8464    3   3   1        24
                55.97          7.47        1.6428    4   2   2        24
                59.70         27.41        1.5489    5   1   1        24
                59.70          5.79        1.5489    3   3   3         8
                65.62         51.59        1.4227    4   4   0        12
                69.04          2.54        1.3604    5   3   1        48
                74.58          2.77        1.2725    6   2   0        24
                77.82          9.11        1.2273    5   3   3        24
                78.90          3.38        1.2133    6   2   2        24
                83.16          4.77        1.1616    4   4   4         8
                86.33          1.03        1.1270    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.