noun Etymology: German Mikroklin, from mikr- micr- + Greek klinein to lean — more at lean Date: 1849 a triclinic mineral of the feldspar group that is like orthoclase in composition

New Collegiate Dictionary. 2001.

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

  • microcline — ● microcline nom masculin Feldspath triclinique potassique, que l on trouve dans les granites et les gneiss. microcline [mikʀoklin] n. f. ÉTYM. 1897; de micro , et du grec klinein « incliner ». ❖ ♦ Minér. Feldspath potassique ou sodique …   Encyclopédie Universelle

  • Microcline — Mi cro*cline, n. [Micro + Gr. ? to incline.] (Min.) A mineral of the feldspar group, like orthoclase or common feldspar in composition, but triclinic in form. [1913 Webster] …   The Collaborative International Dictionary of English

  • microcline — [mī′krō klīn΄] n. [Ger mikroklin (< Gr mikros, small + klinein, to incline: see LEAN1): its cleavage angle differs slightly from 90°] a triclinic feldspar, KAlSi3O8, that is dimorphic with orthoclase; potassium aluminum silicate …   English World dictionary

  • Microcline — Optical properties Microcline Microcline feldspar Crystal System: Triclinic Color in PPL …   Wikipedia

  • microcline — /muy kreuh kluyn /, n. a mineral of the feldspar group, potassium aluminum silicate, KAlSi3O8, identical in composition with orthoclase but having triclinic instead of monoclinic crystals, used in making porcelain. [1840 50; MICRO + cline < Gk… …   Universalium

  • microcline — noun A common feldspar of igneous, plutonic, and metamorphic rocks, made of potassium aluminum silicate, with the chemical formula KAlSiO. Microcline is the main feldspar of granite. The bluish green variety is called amazonstone, and is… …   Wiktionary

  • microcline — (entrée créée par le supplément) (mi kro kli n ) adj. Terme de cristallographie. Qui a de petites inclinaisons. •   Sur le feldspath microcline, CH. STE CLAIRE DEVILLE Acad. des sc. Comptes rend. t. LXXXII, p. 1015. ÉTYMOLOGIE    Du grec, petit,… …   Dictionnaire de la Langue Française d'Émile Littré

  • microcline — mikroklinas statusas T sritis chemija apibrėžtis Triklininis natrio putnagas. formulė (K,Na)[AlSi₃O₈] atitikmenys: angl. microcline rus. микроклин …   Chemijos terminų aiškinamasis žodynas

  • microcline — [ mʌɪkrə(ʊ)klʌɪn] noun a green, pink or brown mineral consisting of potassium rich feldspar. Origin C19: from Ger. Microklin, from Gk mikros small + klinein to lean (because its angle of cleavage is close to 90 degrees) …   English new terms dictionary

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