AM_Britholite-(Y)
Formula: Y4.48 Lu.32 Ca.2 Si3 O12.07 (F.93 H.07)
Name: Britholite-(Y)
Unit cell: 9.4216 9.4138 6.7639 90.0 90.0 120.0284 , V=519.39
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: unannealed sample, Locality: Suishoyama, Japan