euxenite

American  

[yook-suh-nahyt] / ˈyuk səˌnaɪt /

noun

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

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euxenite British  

/ ˈjuːksɪˌnaɪt /

noun

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

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Etymology

Origin of euxenite

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

Example Sentences

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.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" by Various

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

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" by Various

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

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

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

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 7 "Geoponici" to "Germany" by Various