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 = 1070 K
_database_code_amcsd 0003606
4.7942 4.7942 16.0061 90 90 120 R-3
atom     x      y     z  occ  Uiso
Ca       0      0     0 .971 .0628
Mg       0      0     0 .029 .0628
Mg       0      0    .5 .971 .0628
Ca       0      0    .5 .029 .0628
C        0      0 .2297       .025
O    .2493 -.0471 .2442      .0396