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 901 C, held for 16h, UCLA (Cu), Model 2
      _database_code_amcsd 0007577

      CELL PARAMETERS:    8.0473   8.0473   8.0473   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    521.135
      Density (g/cm3):      4.502
      MAX. ABS. INTENSITY / VOLUME**2:      43.68547400    
      RIR:      3.159
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.10         25.54        4.6461    1   1   1         8
                31.44         20.75        2.8452    2   2   0        12
                37.05        100.00        2.4264    3   1   1        24
                38.76          3.76        2.3231    2   2   2         8
                45.06         40.84        2.0118    4   0   0         6
                49.36          2.16        1.8462    3   3   1        24
                55.98          6.69        1.6426    4   2   2        24
                59.71          5.70        1.5487    3   3   3         8
                59.71         26.44        1.5487    5   1   1        24
                65.63         50.42        1.4226    4   4   0        12
                69.05          2.93        1.3602    5   3   1        48
                74.58          2.43        1.2724    6   2   0        24
                77.83          8.62        1.2272    5   3   3        24
                78.91          3.41        1.2132    6   2   2        24
                83.17          4.88        1.1615    4   4   4         8
                86.34          1.09        1.1268    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.