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 = 1039 K
_database_code_amcsd 0003604
4.7941 4.7941 15.9868 90 90 120 R-3
atom     x      y     z  occ  Uiso
Ca       0      0     0 .975 .0612
Mg       0      0     0 .025 .0612
Mg       0      0    .5 .975 .0612
Ca       0      0    .5 .025 .0612
C        0      0 .2307       .026
O    .2489 -.0477 .2440      .0398