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 = 1171 K
_database_code_amcsd 0003609
4.7965 4.7965 16.0559 90 90 120 R-3
atom     x      y     z  occ  Uiso
Ca       0      0     0 .944 .0655
Mg       0      0     0 .056 .0655
Mg       0      0    .5 .944 .0655
Ca       0      0    .5 .056 .0655
C        0      0 .2300       .025
O    .2471 -.0468 .2444      .0440