AM_Titanite_92 Formula: Ca (Al.672 Ti.328) Si O4.328 F.672 Name: Titanite Unit cell: 6.9904 8.5759 6.4798 90.0 114.48 90.0 , V=353.54 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: AlF67