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 = 1346 K
_database_code_amcsd 0003615
4.8111 4.8111 16.2511 90 90 120 R-3
atom     x      y     z occ  Uiso
Ca       0      0     0 .83 .1387
Mg       0      0     0 .17 .1387
Mg       0      0    .5 .83 .1387
Ca       0      0    .5 .17 .1387
C        0      0 .2554      .128
O    .2385 -.0344 .2410     .1386