ALL meanings of allanite
al·lan·ite
A a - noun 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) 3
- noun allanite (mineral) Any of a group of silicate minerals that are a source of rare earth metals. 1
- noun allanite a member of the epidote group, a silicate of calcium, cerium, aluminum, and iron, occurring chiefly in brown-to-black masses or prismatic crystals. 1
- noun allanite (mineralogy) Any of a group of silicate minerals that are a source of rare earth metals. 0