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Webster 1913 Edition

Lanthanite

Lan′tha-nite

(lăn′thȧ-nīt)

,

Noun.

(Min.)

Hydrous carbonate of lanthanum, found in tabular white crystals.

Definition 2025

lanthanite

lanthanite

English

Noun

lanthanite ‎(countable and uncountable, plural lanthanites)

(mineralogy) A radioactive mineral, a carbonate of the rare earth elements lanthanum, cerium, and neodymium.