Diopside
Raudsepp M, Hawthorne F C, Turnock A C
American Mineralogist 75 (1990) 1274-1281
Crystal chemistry of synthetic pyroxenes on the join CaNiSi2O6-CaMgSi2O6
(diopside): A Rietveld refinement study
sample Ni0, CaMgSi2O6
_database_code_amcsd 0001337
9.7470 8.9235 5.2524 90 105.939 90 C2/c
atom     x     y     z Biso
Mg1      0 .9071   .25 0.37
Ca2      0 .2995   .25 .635
Si   .2857 .0943 .2312 .349
O1   .1144 .0900 .1420 0.51
O2   .3619 .2516 .3176 0.65
O3   .3499 .0185 .9974 0.56