Ramsdellite
Post J E, Heaney P J
American Mineralogist 89 (2004) 969-975
Neutron and synchrotron X-ray diffraction study of the structures
and dehydration behaviors of ramsdellite and "groutellite"
_database_code_amcsd 0003565
9.2734 2.8638 4.5219 90 90 90 Pnma
atom     x   y     z  Uiso
Mn   .1332 .25 .0258 .0021
O1   .9655 .25 .7838 .0041
O2   .2796 .25 .3201 .0034