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Webster 1913 Edition


Orthite

Or′thite

,
Noun.
[Gr.
ὀρθόσ
straight.]
(Min.)
A variety of allanite occurring in slender prismatic crystals.

Webster 1828 Edition


Orthite

OR'THITE

,
Noun.
[Gr. straight.] A mineral occurring in straight layers in felspath rock with albite, &c. It is of a blackish brown color, resembling gadolinite, but differs from it is fusibility.

Definition 2024


orthite

orthite

English

Noun

orthite (plural orthites)

  1. (mineralogy) A variety of allanite occurring in slender prismatic crystals

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