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