AM_Titanite_93 Formula: Ca (Al.819 Ti.181) Si O4.181 F.819 Name: Titanite Unit cell: 6.958 8.5445 6.4612 90.0 114.585 90.0 , V=349.31 Space group: A12/A1 (15)

Troitzsch U , Ellis D J , Thompson J , Fitz-Gerald J , European Journal of Mineralogy , 11 (1999) p.955-965, Crystal structural changes in titanite along the join TiO-AlF, Sample: AlF82