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/yooh"klays, -klayz/, n.a rare green or blue mineral, beryllium aluminum silicate, BeAlSiO4(OH), occurring in prismatic crystals.[1795-1805; < F; see EU-, -CLASE]
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Universalium. 2010.
euclase
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Euclase — is a beryllium aluminium hydroxide silicate mineral (BeAlSiO4(OH)). It crystallizes in the monoclinic crystal system and is typically massive to fibrous as well as in slender prismatic crystals. It is related to beryl (Be3Al2Si6O18) and other… … Wikipedia
Euclase — Eu clase . [Gr. e y^ well, easily + ? to break. Cf. F. euclase, G. euklas. See named from its brittleness.] (Min.) A brittle gem occurring in light green, transparent crystals, affording a brilliant clinodiagonal cleavage. It is a silicate of… … The Collaborative International Dictionary of English
euclase — ● euclase nom féminin Silicate hydraté naturel d aluminium et de béryllium, incolore, vert ou blanc, que l on trouve au Brésil, en Colombie, au Zimbabwe et dans l Oural. euclase [øklɑz] n. f. ÉTYM. 1804, Fourcroy; de eu , et grec klasis « action… … Encyclopédie Universelle
êuclase — s. f. [Mineralogia] Silicato hidratado natural de alumínio e de glicínio. = EUCLÁSIO … Dicionário da Língua Portuguesa
euclase — [yo͞o′klās΄] n. [Fr < eu (see EU ) + Gr klasis, a breaking < klan, to break (see CLASTIC): so named from breaking easily] a very hard, brittle, monoclinic mineral, hydrous beryllium aluminum silicate, BeAlSiO4 (OH), sometimes used as a gem … English World dictionary
euclase — euklazas statusas T sritis chemija apibrėžtis Mineralas. formulė AlBe[OH|SiO₄] atitikmenys: angl. euclase rus. эвклаз … Chemijos terminų aiškinamasis žodynas
euclase — noun Etymology: French, from eu (from Latin) + Greek klasis breaking, from klan to break Date: 1804 a mineral that consists of a brittle silicate of beryllium and aluminum in pale yellow, green, or blue prismatic crystals and is used especially… … New Collegiate Dictionary
euclase — noun A monoclinic beryllium aluminium hydroxide silicate mineral, a product of the decomposition of beryl in pegmatites … Wiktionary
euclase — (eu kla z ) s. f. Terme de minéralogie. Émeraude prismatique du Brésil … Dictionnaire de la Langue Française d'Émile Littré
euclase — eu·clase … English syllables
