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 = .5, synthesized at 500 C, 1 GPa, 96 h Sample: disordered at T = 600 C, t = 48 h _database_code_amcsd 0004323 4.7819 4.7819 15.698 90 90 120 R-3 atom x y z occ Uiso CdA 0 0 0 .629 .019 MgA 0 0 0 .371 .019 MgB 0 0 .5 .629 .019 CdB 0 0 .5 .371 .019 C 0 0 .239 .024 O .252 -.026 .249 .021