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 = 630 K
_database_code_amcsd 0003599
4.7924 4.7924 15.8119 90 90 120 R-3
atom     x      y     z  occ  Uiso
Ca       0      0     0 .995 .0421
Mg       0      0     0 .005 .0421
Mg       0      0    .5 .995 .0421
Ca       0      0    .5 .005 .0421
C        0      0 .2309       .020
O    .2518 -.0447 .2437      .0195