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 = 1443 K
_database_code_amcsd 0003619
4.8081 4.8081 16.2756 90 90 120 R-3
atom     x      y     z  occ  Uiso
Ca       0      0     0 .613  .179
Mg       0      0     0 .387  .179
Mg       0      0    .5 .613  .179
Ca       0      0    .5 .387  .179
C        0      0 .2394       .198
O    .2424 -.0483 .2463      .1630