D defs.my
Entry 1 sense Webster, 1913

Allanite

· Al·lan·ite · IPA
01 n. A silicate containing a large amount of cerium. It is usually black in color, opaque, and is related to epidote in form and composition.
  1. 1.
    A silicate containing a large amount of cerium. It is usually black in color, opaque, and is related to epidote in form and composition.(min.)