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 = 29.1 kbar
Note: Cannot reproduce many of the published bond lengths
_database_code_amcsd 0001100
4.793 10.971 6.335 90 90 90 Pbnm
atom     x     y     z Biso
Mg1      0     0     0 1.03
Ca2  .9751 .2765   .25  .98
Si   .4117 .0811   .25  .81
O1   .7389 .0766   .25 1.57
O2   .2514 .4483   .25  .87
O3   .2731 .1471 .0453 1.20