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  • Sillimanite — Sillimanite[1] Catégorie IX : silicates[2] S …   Wikipédia en Français

  • SILLIMANITE — Avec le disthène et l’andalousite, la sillimanite (du nom de Benjamin Silliman) fait partie du groupe des silicates d’alumine anhydres. C’est un subnésosilicate, c’est à dire que la trame cristalline est constituée d’octaèdres Al6 ayant leurs… …   Encyclopédie Universelle

  • Sillimanite — Sil li*man*ite, n. [After Benjamin Siliman, an American meneralogist.] (Min.) Same as {Fibrolite}. [1913 Webster] …   The Collaborative International Dictionary of English

  • sillimanite — ☆ sillimanite [sil′ə mə nīt΄ ] n. [after B. Silliman (1779 1864), U.S. chemist and geologist + ITE1] a very hard, mineral, aluminum silicate, Al2SiO5, usually found in metamorphic rock as long, slender crystals of various colors …   English World dictionary

  • Sillimanite — right Sillimanite also called Bucholzite is an alumino silicate mineral with the chemical formula Al2SiO5. Sillimanite is named after the American chemist Benjamin Silliman (1779 1864).OccurrenceSillimanite is one of three alumino silicate… …   Wikipedia

  • sillimanite — /sil euh meuh nuyt /, n. a mineral, aluminum silicate, Al2SiO5, occurring in the form of long, slender, and often fibrous crystals. Also called fibrolite. [1825 30; named after B. SILLIMAN; see ITE1] * * * or fibrolite Brown, pale green, or white …   Universalium

  • sillimanite — Fibrolite Fi bro*lite (? or ?), n. [L. fibra a fiber + lite: cf. F. fibrolithe.] (Min.) A silicate of alumina, of fibrous or columnar structure. It is like andalusite in composition; called also {sillimanite}, and {bucholizite}. [1913 Webster] …   The Collaborative International Dictionary of English

  • sillimanite — silimanitas statusas T sritis chemija apibrėžtis Mineralas. formulė Al₂[O|SiO₄] atitikmenys: angl. sillimanite rus. силлиманит …   Chemijos terminų aiškinamasis žodynas

  • sillimanite — noun Etymology: Benjamin Silliman died 1864 American geologist Date: circa 1830 a brown, grayish, or pale green mineral that consists of an aluminum silicate in orthorhombic crystals often occurring in fibrous or columnar forms …   New Collegiate Dictionary

  • sillimanite — (sil li ma ni t ) s. f. Corps biréfringent à deux axes …   Dictionnaire de la Langue Française d'Émile Littré

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