Magnesite
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 = 1, synthesized at 800 C, 1 GPa, 1 h
_database_code_amcsd 0004347
4.6334 4.6334 15.0178 90 90 120 R-3c
atom    x y   z Uiso
Mg      0 0   0 .028
C       0 0 .25 .022
O    .279 0 .25 .023