Monticellite
Sharp Z D, Hazen R M, Finger L W
American Mineralogist 72 (1987) 748-755
High-pressure crystal chemistry of monticellite, CaMgSiO4
Sample: P = .001 kbar
Note: O1x changed to reproduce its bond lengths
_database_code_amcsd 0001096
4.821 11.105 6.381 90 90 90 Pbnm
atom     x     y     z Biso
Mg1      0     0     0 1.04
Ca2  .9774 .2771   .25 1.01
Si   .4111 .0823   .25  .96
O1   .7374 .0773   .25 1.17
O2   .2523 .4494   .25 1.04
O3   .2728 .1470 .0467 1.14