AM_Diopside_15
Formula: (Ni.22 Mg.78) Ca Si2 O6
Name: Diopside
Unit cell: 9.7393 8.9095 5.2418 90.0 105.85 90.0 , V=437.55
Space group: C12/C1 (15)

Raudsepp M , Hawthorne F C , Turnock A C , American Mineralogist , 75 (1990) p.1274-1281, Crystal chemistry of synthetic pyroxenes on the join CaNiSi2O6-CaMgSi2O6, (diopside): A Rietveld refinement study, sample Ni25, CaNi.22Mg.78Si2O6