gadolinite

gadolinite

gadolinite nom féminin (de Gadolin, nom propre) Silicate naturel d'ytrium, de béryllium et de fer.

⇒GADOLINITE, subst. fém.
CHIM. Silicate naturel d'yttrium, glucinium et fer. Cf. ÉLIE DE BEAUMONT, B. Sté géol. Fr., t. 4, 1847, p. 50.
Prononc. et Orth. : [], transcr. ds LITTRÉ : ga-do-li-ni-t'. Forme gadolinithe ds GATTEL 1841. Étymol. et Hist. 1800 (J.-Cl. Delamétherie in Journ. de physique, de chimie, d'hist. nat. et des arts, LI, 238 ds QUEM. DDL t. 10). Dér. au moyen du suff. -ite, de Gadolin, nom du savant qui a décrit cette substance minérale.

gadolinite [gadɔlinit] n. f.
ÉTYM. 1800; du nom du minéralogiste Gadolin.
Minér. Silicate naturel d'yttrium, de béryllium et de fer.
DÉR. Gadolinium.

Encyclopédie Universelle. 2012.

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  • Gadolinite — is a mineral of a nearly black color and vitreous luster, and consisting principally of the silicates of cerium, lanthanum, neodymium, yttrium, beryllium, and iron with formula: (Ce,La,Nd,Y)2FeBe2Si2O10. Called gadolinite (Ce) or gadolinite (Y)… …   Wikipedia

  • Gadolinite — Gad o*lin*ite, n. [Named after Gadolin, a Russian chemist.] (Min.) A mineral of a nearly black color and vitreous luster, and consisting principally of the silicates of yttrium, cerium, and iron. [1913 Webster] …   The Collaborative International Dictionary of English

  • gadolinite — [gad′ō lin īt΄] n. [Ger gadolinit, after J. Gadolin (1760 1852), Finn chemist who isolated it] a dark green to black, hard, radioactive mineral, beryllium iron yttrium silicate, Be2FeY2Si2O10, that is an ore of various rare earth elements …   English World dictionary

  • gadolinite — gadolinitas statusas T sritis chemija apibrėžtis Mineralas. formulė Y₂Fe₂Be₂[O|SiO₄]₂ atitikmenys: angl. gadolinite rus. гадолинит …   Chemijos terminų aiškinamasis žodynas

  • gadolinite — noun Etymology: German Gadolinit, from Johann Gadolin died 1852 Finnish chemist Date: 1802 a black or brown mineral that is a source of rare earths and consists of a silicate especially of iron, beryllium, yttrium, cerium, and erbium …   New Collegiate Dictionary

  • gadolinite — /gad l euh nuyt /, n. a silicate mineral from which the rare earth metals gadolinium, holmium, and rhenium are extracted. [1795 1805; named after J. Gadolin (1760 1852), Finnish chemist; see ITE1] * * * …   Universalium

  • gadolinite — noun A dark, vitreous mineral that is a complex mixture of silicates of cerium, lanthanum, neodymium, yttrium, beryllium, and iron, with the chemical formula (Ce,La,Nd,Y)FeBeSiO …   Wiktionary

  • gadolinite — (ga do li ni t ) s. f. Terme de minéralogie. Silicate de cérium, ainsi nommé de Gadolin, qui l a découvert …   Dictionnaire de la Langue Française d'Émile Littré

  • gadolinite — ga·do·li·nì·te s.f. TS mineral. minerale in cristalli nerastri costituito da silicato di ittrio, ferro e berillio, che cristallizza nel sistema monoclino {{line}} {{/line}} DATA: 1817. ETIMO: der. di Gadolin, v. anche gadolinio, con 2 ite …   Dizionario italiano

  • gadolinite — pl.f. gadoliniti …   Dizionario dei sinonimi e contrari

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