AM_Allanite-(Ce) Formula: Ca1.26 Ce.74 Si3 Al1.83 Fe1.17 O13 H Name: Allanite-(Ce) Unit cell: 8.927 5.761 10.15 90.0 114.77 90.0 , V=473.97 Space group: P121/M1 (11)

Dollase W A , American Mineralogist , 56 (1971) p.447-464, Refinement of the crystal structures of epidote, allanite and hancockite