AM_Ca3TiSi2(Al,Ti,Si)3O14 Formula: Si2.498 Al2.001 Ti1.501 Ca3 O14 Name: Ca3TiSi2(Al,Ti,Si)3O14 Unit cell: 7.943 7.943 4.93 90.0 90.0 120.0 , V=269.37 Space group: P321 (150)

Scheuermann P , Kutoglu A , Schosnig M , Hoffer E , American Mineralogist , 85 (2000) p.784-791, Structure and stability of the high-pressure phase, Ca3TiSi2(Al,Ti,Si)3O14