(Co.63Mg.37)Al2O4
Bosi F, Halenius U, D'Ippolito V, Andreozzi G B
American Mineralogist 97 (2012) 1834-1840
Blue spinel crystals in the MgAl2O4-CoAl2O4 series: Part II.
Cation ordering over short-range and long-range scales
Sample: CoAl50
Locality: synthetic
_database_code_amcsd 0019581
8.0957 8.0957 8.0957 90 90 90 *Fd3m
.125 .125 .125
atom      x      y      z  occ U(1,1) U(2,2) U(3,3)  U(1,2)  U(1,3)  U(2,3)
CoT    .125   .125   .125  .52  .0056  .0056  .0056       0       0       0
MgT    .125   .125   .125  .27  .0056  .0056  .0056       0       0       0
AlT    .125   .125   .125  .21  .0056  .0056  .0056       0       0       0
CoM      .5     .5     .5 .055  .0045  .0045  .0045 -.00021 -.00021 -.00021
MgM      .5     .5     .5  .05  .0045  .0045  .0045 -.00021 -.00021 -.00021
AlM      .5     .5     .5 .895  .0045  .0045  .0045 -.00021 -.00021 -.00021
O    .26251 .26251 .26251       .0088  .0088  .0088   .0002   .0002   .0002