euxenite

[yook-suh-nahyt]

noun

1. a rare, brownish-black mineral of complex composition, an oxide of calcium, cerium, yttrium, columbium, titanium, and uranium.

euxenite

/ ˈjuːksɪˌnaɪt /

noun

1. a rare brownish-black mineral containing erbium, cerium, uranium, columbium, and yttrium

Word History and Origins

Origin of euxenite¹

1840–45; < Greek eúxen ( os ) kind to strangers, hospitable ( eu-, xeno- ) + -ite ¹

Word History and Origins

Origin of euxenite¹

C19: from Greek euxenos hospitable (literally: well-disposed to strangers), from _eu- + xenos stranger; from its containing a number of rare elements

Example Sentences

Scandium, skan′di-um, n. an element discovered in 1879 in the Scandinavian mineral euxenite.

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The element is of extremely rare occurrence, being met with only in argyrodite and, to a very small extent, in euxenite.

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The rare earth metals are found in the minerals gadolinite, samarskite, fergusonite, euxenite and cerite.

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It is usually found associated with tantalum, the chief minerals containing these two elements being tantalite, columbite, fergusonite and yttrotantalite; it is also a constituent of pyrochlor, euxenite and samarskite.

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The substances occur, in very minute quantity, in a large number of sparingly-distributed and comparatively rare minerals—euxenite, samarksite, cerite, yttrotantalite, &c.

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