Dolomite
Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B
American Mineralogist 89 (2004) 1142-1147
Cation disorder in dolomite, CaMg(CO3)2, and its influence on the
aragonite+magnesite - dolomite reaction boundary
Sample: P = 3 GPa, T = 809 K
_database_code_amcsd 0003601
4.7917 4.7917 15.8816 90 90 120 R-3
atom     x      y     z  occ  Uiso
Ca       0      0     0 .982 .0511
Mg       0      0     0 .018 .0511
Mg       0      0    .5 .982 .0511
Ca       0      0    .5 .018 .0511
C        0      0 .2288       .026
O    .2478 -.0476 .2443      .0296