AM_Titanite_21 Formula: Ti Ca Si O5 Name: Titanite Unit cell: 7.057 8.71 6.555 90.0 113.84 90.0 , V=368.54 Space group: P121/A1 (14)

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: Dy-Al