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 1050 C, held for 1h, UCLA (Cu), Model 2
      _database_code_amcsd 0007580

      CELL PARAMETERS:    8.0497   8.0497   8.0497   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    521.602
      Density (g/cm3):      4.498
      MAX. ABS. INTENSITY / VOLUME**2:      44.21253669    
      RIR:      3.200
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.10         22.95        4.6475    1   1   1         8
                31.43         21.96        2.8460    2   2   0        12
                37.04        100.00        2.4271    3   1   1        24
                38.75          3.43        2.3237    2   2   2         8
                45.05         39.21        2.0124    4   0   0         6
                49.35          1.77        1.8467    3   3   1        24
                55.96          7.14        1.6431    4   2   2        24
                59.69         26.90        1.5492    5   1   1        24
                59.69          5.71        1.5492    3   3   3         8
                65.61         50.81        1.4230    4   4   0        12
                69.02          2.67        1.3606    5   3   1        48
                74.56          2.61        1.2728    6   2   0        24
                77.81          8.81        1.2276    5   3   3        24
                78.88          3.33        1.2135    6   2   2        24
                83.14          4.76        1.1619    4   4   4         8
                86.30          1.05        1.1272    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.