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 = 1074 K
_database_code_amcsd 0003605
4.7945 4.7945 16.0087 90 90 120 R-3
atom     x      y     z  occ  Uiso
Ca       0      0     0 .967 .0629
Mg       0      0     0 .033 .0629
Mg       0      0    .5 .967 .0629
Ca       0      0    .5 .033 .0629
C        0      0 .2303       .024
O    .2506 -.0468 .2442      .0409