Witherite
Holl C M, Smyth J R, Laustsen H M S, Jacobsen S D, Downs R T
Physics and Chemistry of Minerals 27 (2000) 467-473
Compression of witherite to 8 GPa and the crystal structure of BaCO3 II
Sample: P = 7.2 GPa
_database_code_amcsd 0008429
5.258 5.258 5.64 90 90 120 P-31c
atom    x    y   z
Ba    2/3  1/3 .25
C       0    0 .25
O    .140 .860 .25