AM_Ca9Nd(PO4)5(SiO4)F15O25 Formula: (Ca4.5 Nd.5) (P2.55 Si.45) O12.14 F.77 Name: Ca9Nd(PO4)5(SiO4)F1.5O.25 Unit cell: 9.3938 9.3938 6.9013 90.0 90.0 120.0 , V=527.40 Space group: P63/M (176)

Boyer L , Savariault J M , Carpena J , Lacout J L , Acta Crystallographica, Section C , 54 (1998) p.1057-1059, A neodymium-substituted britholite compound, Locality: synthetic