Magnesite Oh K D, Morikawa H, Iwai S I, Aoki H American Mineralogist 58 (1973) 1029-1033 The crystal structure of magnesite _database_code_amcsd 0000389 4.637 4.637 15.023 90 90 120 R-3c atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Mg 0 0 0 .0063 .0063 .00060 .00315 0 0 C 0 0 .25 .0072 .0072 .00052 .0036 0 0 O .2767 0 .25 .0059 .0091 .00083 .00455 -.000135 -.00027