gadolinite

American  

[gad-l-uh-nahyt] / ˈgæd l əˌnaɪt /

noun

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

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gadolinite British  

/ ˈɡædəlɪˌnaɪt /

noun

1. Also called: ytterbite.  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

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Etymology

Origin of gadolinite

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

Example Sentences

The following minerals produce beads with a small quantity of soda, but produce slags if too much soda is added: phenakite, pierosmine, olivine, cerite, cyanite, talc, gadolinite, lithium-tourmaline.

From A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations by Anonymous

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

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

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

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

Erbium, er′bi-um, n. a rare metal, the compounds of which are present in the mineral gadolinite, found at Ytterby in Sweden.

From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various