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Webster 1913 Edition

Allanite

Al′lan-ite

,
Noun.
[From T.
Allan
, who first distinguished it as a species.]
(min.)
A silicate containing a large amount of cerium. It is usually black in color, opaque, and is related to epidote in form and composition.

Webster 1828 Edition

Allanite

AL'LANITE

,
Noun.
A mineral named from Mr. Allan, of Edinburg, who first recognized it as a distinct species. It is massive, of a brownish black color, and conchoidal fracture. A siliceous oxyd of cerium.

Definition 2025

allanite

allanite

English

Noun

allanite ‎(plural allanites)

  1. (mineralogy) Any of a group of silicate minerals that are a source of rare earth metals.

Translations

Etymology

From Thomas Allan +‎ -ite.

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