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 700 C, held for 43d, UCLA (Cu), Model 2
      _database_code_amcsd 0007572

      CELL PARAMETERS:    8.0452   8.0452   8.0452   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    520.728
      Density (g/cm3):      4.506
      MAX. ABS. INTENSITY / VOLUME**2:      44.13373359    
      RIR:      3.189
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.11         26.21        4.6449    1   1   1         8
                31.45         19.86        2.8444    2   2   0        12
                37.06        100.00        2.4257    3   1   1        24
                38.77          3.96        2.3224    2   2   2         8
                45.08         42.09        2.0113    4   0   0         6
                49.38          2.55        1.8457    3   3   1        24
                56.00          6.52        1.6422    4   2   2        24
                59.72          5.90        1.5483    3   3   3         8
                59.72         26.34        1.5483    5   1   1        24
                65.65         51.55        1.4222    4   4   0        12
                69.07          3.16        1.3599    5   3   1        48
                74.61          2.41        1.2721    6   2   0        24
                77.86          8.87        1.2269    5   3   3        24
                78.93          3.61        1.2129    6   2   2        24
                83.19          5.23        1.1612    4   4   4         8
                86.36          1.15        1.1266    5   5   1        24
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.