AM_Stillwellite-(Ce) Formula: Ce.49 La.35 Nd.07 Th.05 Pr.03 Ca.01 Sm.01 Si B O6 Name: Stillwellite-(Ce) Unit cell: 6.841 6.841 6.702 90.0 90.0 120.0 , V=271.63 Space group: P1131 (1)

Burns P C , Hawthorne F C , MacDonald D J , Ventura G D , Parodi G , The Canadian Mineralogist , 31 (1993) p.147-152, The crystal structure of stillwellite