Otavite
Bromiley F A, Boffa Ballaran T, Langenhorst F, Seifert F
American Mineralogist 92 (2007) 829-836
Order and miscibility in the otavite - magnesite solid solution
Locality: synthetic
Sample: X_Mg = .3, synthesized at 600 C, 1 GPa, 3 h
_database_code_amcsd 0004327
4.8398 4.8398 15.9621 90 90 120 R-3c
atom    x y   z occ Uiso
Cd      0 0   0  .7 .026
Mg      0 0   0  .3 .026
C       0 0 .25     .021
O    .264 0 .25     .021