A reddish mineral that tarnishes on exposure to air; it is a mixed sulfide of iron and copper with the chemical formula CuFeS and is an important ore of copper.

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  • Bornite — Bornite[1] Catégorie II : sulfures et sulfosels[2] …   Wikipédia en Français

  • bornite — ● bornite nom féminin (de Ignaz von Born, nom propre) Sulfure naturel de fer et de cuivre Cu5FeS4. ● bornite (synonymes) nom féminin (de Ignaz von Born, nom propre) Sulfure naturel de fer et de cuivre Cu 5 FeS... Synonymes : érubescite …   Encyclopédie Universelle

  • Bornite — Bor nite, n. [Named after Von Born, a mineralogist.] (Min.) A valuable ore of copper, containing copper, iron, and sulphur; also called {purple copper ore} (or {erubescite}), in allusion to the colors shown upon the slightly tarnished surface.… …   The Collaborative International Dictionary of English

  • bornite — [bôr′nīt΄] n. [after Ignaz von Born (1742 91), Austrian metallurgist] a reddish brown, soft, brittle, cubic mineral, copper iron sulfide, Cu5FeS4, an ore of copper that tarnishes to a dark purplish color when it is fractured …   English World dictionary

  • Bornite — infobox mineral name = Bornite category = Sulfide mineral boxwidth = boxbgcolor = imagesize = caption = formula = Cu5FeS4 molweight = 342.681 color = Copper red, bronze brown, purple habit = Granular, massive, disseminated Crystals pseudocubic,… …   Wikipedia

  • bornite — bornitic /bawr nit ik/, adj. /bawr nuyt/, n. a common mineral and important ore of copper, copper iron sulfide, Cu5FeS4, occurring in masses, of brownish color when first exposed to the air; peacock ore. [1850 55; named after I. von Born (1742… …   Universalium

  • bornite — bornitas statusas T sritis chemija apibrėžtis Mineralas. formulė Cu₅FeS₄ atitikmenys: angl. bornite rus. борнит …   Chemijos terminų aiškinamasis žodynas

  • bornite — noun Etymology: German Bornit, from Ignaz von Born died 1791 Austrian mineralogist Date: circa 1847 a brittle metallic looking mineral that consists of a sulfide of copper and iron and is a valuable copper ore …   New Collegiate Dictionary

  • bornite — bor·nì·te s.f. TS mineral. minerale di color bronzo, iridescente, costituito da solfuro di ferro e rame, presente anche in Liguria e in Toscana, utilizzato per l estrazione del rame Sinonimi: erubescite. {{line}} {{/line}} DATA: 1875. ETIMO: der …   Dizionario italiano

  • bornite — born·ite …   English syllables

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