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 = 1106 K
_database_code_amcsd 0003607
4.7944 4.7944 16.0212 90 90 120 R-3
atom     x      y     z  occ  Uiso
Ca       0      0     0 .949 .0622
Mg       0      0     0 .051 .0622
Mg       0      0    .5 .949 .0622
Ca       0      0    .5 .051 .0622
C        0      0 .2314       .026
O    .2476 -.0454 .2442      .0420