AM_Britholite-(Y)_1 Formula: Y4.63 Ca.23 Lu.14 Si3 O12.07 (F.93 H.07) Name: Britholite-(Y) Unit cell: 9.3619 9.3636 6.7306 90.0 90.0 120.0121 , V=510.90 Space group: P1121 (4)

Noe D C , Hughes J M , Mariano A N , Drexler J W , Kato A , Zeitschrift fur Kristallographie , 206 (1993) p.233-246, The crystal structure of monoclinic britholite-(Ce) and britholite-(Y), Note: annealed sample, Locality: Suishoyama, Japan