AM_Vesuvianite_13 Formula: Si9 Ca10 (Al5.67 Mg.56 Fe.63 Ti.14) O39 H4 Name: Vesuvianite Unit cell: 15.522 15.522 11.802 90.0 90.0 90.0 , V=2843.49 Space group: P4/NNC (126)

Groat L A , Hawthorne F C , Ercit T S , The Canadian Mineralogist , 30 (1992) p.1065-1075, The role of fluorine in vesuvianite: A crystal-structure study, Sample: V12