gadolinite

[ gad-l-uh-nahyt ]

noun

1. a silicate mineral from which the rare-earth metals gadolinium, holmium, and rhenium are extracted.

gadolinite

/ ˈɡædəlɪˌnaɪt /

noun

1. a rare brown or black mineral consisting of a silicate of iron, beryllium, and yttrium in monoclinic crystalline form. Formula: 2BeO.FeO.Y 2 O 3 .2SiO 2 Also calledytterbite

Word History and Origins

Origin of gadolinite¹

1795–1805; named after J. Gadolin (1760–1852), Finnish chemist; -ite ¹

Word History and Origins

Origin of gadolinite¹

C19: named after Johan Gadolin (1760–1852), Finnish mineralogist

Example Sentences

In 1797 Ekeberg showed that gadolinite contained another rare earth, which was given the name yttria.

From Project Gutenberg

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

From Project Gutenberg

The first of the rare earth minerals was discovered in 1794 by J. Gadolin and was named gadolinite from its discoverer.

From Project Gutenberg

Ytterbium, i-ter′bi-um, n. an element discovered by Marignac in gadolinite.

From Project Gutenberg

It is found in the minerals gadolinite, cerite, samarskite and fergusonite, and is usually obtained from cerite.

From Project Gutenberg