Accessory minerals consists of zircon, monazite, allanite and rutile.
British Dictionary definitions for allanite
a rare black or brown mineral consisting of the hydrated silicate of calcium, aluminium, iron, cerium, lanthanum, and other rare earth minerals. It occurs in granites and other igneous rocks. Formula: (Ca,Ce,La,Y)2(Al,Fe,Be,Mn,Mg)3(SiO4)3(OH)
C19: named after T. Allan (1777–1833), English mineralogist