AM_Titanite_19 Formula: Ti Ca Si O5 Name: Titanite Unit cell: 7.0348 8.7119 6.5498 90.0 113.712 90.0 , V=367.53 Space group: A12/A1 (15)

Hughes J M , Bloodaxe E S , Hanchar J M , Foord E E , American Mineralogist , 82 (1997) p.512-516, Incorporation of rare earth elements in titanite: Stabilization of the A2/a, dimorph by creation of antiphase boundaries, Sample: La-Al