Ankerite
Ross N L, Reeder R J
American Mineralogist 77 (1992) 412-421
High-pressure structural study of dolomite and ankerite
P = 0.00 GPa
_database_code_amcsd 0001449
4.8360 4.8360 16.186 90 90 120 R-3
atom     x      y     z  occ Biso
CaA      0      0     0 .997 1.10
MgB      0      0    .5 .273 0.36
FeB      0      0    .5 .676 0.36
MnB      0      0    .5 .054 0.36
C        0      0 .2443      0.88
O    .2511 -.0289 .2450      1.10