pyrrhotite nom féminin (grec purrhos, roux) Sulfure naturel de fer, hexagonal, ferromagnétique.

Encyclopédie Universelle. 2012.

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  • Pyrrhotite — General Category Mineral Chemical formula iron …   Wikipedia

  • Pyrrhotite — Catégorie II : sulfures et sulfosels[1] Pyrrhotite – Mine de Santa Eulalia (Chihuahua) Mexique (10x10cm) …   Wikipédia en Français

  • pyrrhotite — [pir′ə tīt΄] n. [< Gr pyrrhotēs, redness (< pyrrhos, flame colored < pyr, FIRE) + ITE1] a bronze colored, typically magnetic, hexagonal mineral, Fex 1Sx, usually found with pentlandite; iron sulfide …   English World dictionary

  • Pyrrhotite — Pyrrhotine Pyr rho*tine, Pyrrhotite Pyr rho*tite, n. [Gr. ? flame colored, fr. ? fire.] (Min.) A bronze colored mineral, of metallic luster. It is a sulphide of iron, and is remarkable for being attracted by the magnet. Called also {magnetic… …   The Collaborative International Dictionary of English

  • pyrrhotite — noun Etymology: modification of German Pyrrhotin, from Greek pyrrhotēs redness, from pyrrhos red, from pyr fire more at fire Date: 1868 a bronze colored mineral of metallic luster that consists of ferrous sulfide and is attracted by a magnet …   New Collegiate Dictionary

  • pyrrhotite — /pir euh tuyt /, n. a common mineral, iron sulfide, approximately FeS but variable because of a partial absence of ferrous ions, occurring in massive and in crystal forms with a bronze color and metallic luster; magnetic pyrites: generally… …   Universalium

  • pyrrhotite — noun A weakly magnetic ferrous sulfide mineral, FeS. Syn: magnetic pyrites …   Wiktionary

  • pyrrhotite —    A cave mineral FeS [11] …   Lexicon of Cave and Karst Terminology

  • pyrrhotite — pyr·rho·tite …   English syllables

  • pyrrhotite — pyr•rho•tite [[t]ˈpɪr əˌtaɪt[/t]] n. mir a bronze colored magnetic mineral, iron sulfide, occurring in massive and in crystal forms • Etymology: 1868; < Gk pyrrhót(ēs) redness + ite I …   From formal English to slang

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