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 = 1265 K
_database_code_amcsd 0003612
4.8039 4.8039 16.1397 90 90 120 R-3
atom     x      y     z occ  Uiso
Ca       0      0     0  .9 .1376
Mg       0      0     0  .1 .1376
Mg       0      0    .5  .9 .1376
Ca       0      0    .5  .1 .1376
C        0      0 .2516      .079
O    .2408 -.0431 .2404     .1126