AM_Abenakiite-(Ce) Formula: Si6 P6 Na26 (Ce3 Nd1.98 La1.02) C6 S O66 Name: Abenakiite-(Ce) Unit cell: 16.02 16.02 19.92 90.0 90.0 120.0 , V=4427.36 Space group: R11-3 (1)

McDonald A M , Chao G Y , Grice J D , The Canadian Mineralogist , 32 (1994) p.843-854, Abenakiite-(Ce), a new silicophosphate carbonate mineral from Mont, Saint-Hilaire, Quebec: description and structure determination, Locality: Mont Saint-Hilaire, Quebec, Canada