Meaning of allanite

al•lan•ite

Pronunciation: (al'u-nīt"), [key]
— n. Mineral.
  1. a member of the epidote group, a silicate of calcium, cerium, aluminum, and iron, occurring chiefly in brown-to-black masses or prismatic crystals.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.