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 750 C, held for 43h, Bayerisheches Geoinstitut (Mo), Model 1
      _database_code_amcsd 0007536

      CELL PARAMETERS:    8.0460   8.0460   8.0460   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    520.883
      Density (g/cm3):      4.505
      MAX. ABS. INTENSITY / VOLUME**2:      45.15886930    
      RIR:      3.264
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.11         26.00        4.6454    1   1   1         8
                31.45         19.92        2.8447    2   2   0        12
                37.06        100.00        2.4260    3   1   1        24
                38.77          3.95        2.3227    2   2   2         8
                45.07         42.40        2.0115    4   0   0         6
                49.37          2.47        1.8459    3   3   1        24
                55.99          6.77        1.6424    4   2   2        24
                59.72          6.04        1.5485    3   3   3         8
                59.72         27.61        1.5485    5   1   1        24
                65.64         54.04        1.4223    4   4   0        12
                69.06          3.32        1.3600    5   3   1        48
                74.60          2.59        1.2722    6   2   0        24
                77.85          9.53        1.2270    5   3   3        24
                78.92          3.87        1.2130    6   2   2        24
                83.18          5.62        1.1613    4   4   4         8
                86.35          1.27        1.1267    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.