COL  ICSD Collection Code 9554
 DATE Recorded Sep 4, 1984; updated Apr 19, 1985
 NAME Nickel dialuminium oxide
 FORM Ni Al2 O4
      = Al2 Ni O4
 TITL Equilibrium Cation Distribution in Ni Al2 O4, Cu Al2 O4, and Zn 
      Al2 O4 Spinels
 REF  Journal of the American Ceramic Society
      JACTA 55 (1972) 295-298
 AUT  Cooley R F, ReedÿJÿS
 CELL a=8.053 b=8.053 c=8.053 à=90.0 á=90.0 ç=90.0
      V=522.2 Z=8
 SGR  F d -3 m Z    (227) - cubic
 CLAS m-3m  (Hermann-Mauguin) - Oh  (Schoenflies)
 PRS  cF56
 ANX  A3X4
 PARM Atom__No OxStat  Wyck ---X--- ---Y--- ---Z---  -SOF-
      Ni     1  2.000    8a  1/8     1/8     1/8       0.073
      Ni     2  2.000   16d  1/2     1/2     1/2       0.4635
      Al     1  3.000    8a  1/8     1/8     1/8       0.927
      Al     2  3.000   16d  1/2     1/2     1/2       0.5365
      O      1 -2.000   32e  0.256   0.256   0.256
 WYCK e d a
 ITF  Ni  1   B=0.71
 ITF  Ni  2   B=0.71
 ITF  Al  1   B=0.71
 ITF  Al  2   B=0.71
 ITF  O   1   B=0.71
 REM  XDP (X-ray diffraction from a powder)
 REM  TEM 868
 RVAL 0.020