AM_Titanite_87 Formula: Ca (Al.099 Ti.901) Si O4.901 F.099 Name: Titanite Unit cell: 7.0541 8.6925 6.5445 90.0 113.903 90.0 , V=366.88 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: AlF09