Translation: from lithuanian


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  • Biotite — is a common phyllosilicate mineral within the mica group, with the approximate chemical formula K(Mg, Fe)3AlSi3O10(F, OH)2. More generally, it refers to the dark mica series, primarily a solid solution series between the iron endmember annite,… …   Wikipedia

  • Biotite — Catégorie IX : silicates[1] Biotite Monte Somma Italie (XX 5 mm) …   Wikipédia en Français

  • biotite — [ bjɔtit ] n. f. • 1848; de J. B. Biot, n. pr. ♦ Minéral. Variété de mica noir, utilisée comme matériau d isolation. ● biotite nom féminin (de J. B. Biot, nom propre) Mica monoclinique se présentant en lamelles hexagonales, de couleur noire et… …   Encyclopédie Universelle

  • Biotite — Bi o*tite, n. [From Biot, a French naturalist.] (Min.) Mica containing iron and magnesia, generally of a black or dark green color; a common constituent of crystalline rocks. See {Mica}. [1913 Webster] …   The Collaborative International Dictionary of English

  • biotite — [bī′ə tīt΄] n. [Ger biotit: so named after J. B. Biot (1774 1862), Fr physicist + it, ITE1] a dark colored, soft, monoclinic mica, K(Mg,Fe) 3 (Al,Fe)Si3O10 (OH) 2, found in igneous, metamorphic, and sedimentary rocks …   English World dictionary

  • biotite — Mica Mi ca, n. [L. mica crumb, grain, particle; cf. F. mica.] (Min.) The name of a group of minerals characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic. They differ widely in… …   The Collaborative International Dictionary of English

  • biotite — biotitic /buy euh tit ik/, adj. /buy euh tuyt /, n. a very common mineral of the mica group, occurring in black, dark brown, or dark green sheets and flakes: an important constituent of igneous and metamorphic rocks. [1860 65; named after J. B.… …   Universalium

  • biotite — biotitas statusas T sritis chemija apibrėžtis Mineralas. formulė K(Mg,Fe,Mn)₃[(OH,F)₂|(Al,Fe)Si₃O₁₀] atitikmenys: angl. biotite rus. биотит …   Chemijos terminų aiškinamasis žodynas

  • biotite — noun Etymology: German Biotit, from Jean B. Biot died 1862 French mathematician Date: 1862 a generally black or dark green form of mica that is a constituent of crystalline rocks and consists of a silicate of iron, magnesium, potassium, and… …   New Collegiate Dictionary

  • biotite — noun /ˈbaɪəˌtaɪt/ A dark brown mica; it is a mixed aluminosilicate and fluoride of potassium, magnesium and iron …   Wiktionary

  • biotite — bi·o·tì·te s.f. TS mineral. mica di magnesio e ferro di colore da nero a bronzeo, particolarmente diffusa nelle rocce eruttive {{line}} {{/line}} DATA: 1892. ETIMO: dal ted. Biotit, der. di Biot, v. anche biot …   Dizionario italiano

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