molybdenite

/meuh lib"deuh nuyt'/, n.
a soft, graphitelike mineral, molybdenum sulfide, MoS2, occurring in foliated masses or scales: the principal ore of molybdenum.
[1790-1800; obs. molybden(a) MOLYBDENUM + -ITE1]

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 the most important mineral source of molybdenum, molybdenum disulfide (MoS2). Molybdenite crystals have the same hexagonal symmetry as those of tungstenite (tungsten disulfide). Both have layered structures and similar physical properties; the chief difference is the higher specific gravity of tungstenite. For detailed physical properties, see sulfide mineral (table).

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Universalium. 2010.

Look at other dictionaries:

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  • Molybdenite — Euhedral molybdenite on quartz, Molly Hill mine, Quebec, Canada. The large crystal is 15mm across General Category Sulfide mineral …   Wikipedia

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  • molybdénite — [ mɔlibdenit ] n. f. • 1807; de molybdène ♦ Minér. Principal minerai du molybdène, sulfure naturel (MoS2). ● molybdénite nom féminin Sulfure naturel de molybdène hexagonal, à l éclat métallique et au toucher gras. molybdénite [mɔlibdenit] n. f.… …   Encyclopédie Universelle

  • Molybdenite — Mo*lyb de*nite, n. [Cf. F. molybd[ e]nite. See {Molybdena}.] (Min.) A mineral occurring in soft, lead gray, foliated masses or scales, resembling graphite; sulphide of molybdenum. [1913 Webster] …   The Collaborative International Dictionary of English

  • molybdénite — molybdénite, (mo li bdé ni t ) s. f. Terme de minéralogie. Sulfure de molybdène natif …   Dictionnaire de la Langue Française d'Émile Littré

  • molybdenite — [mə lib′də nīt΄] n. a very soft, lead gray mineral, MoS2, the chief ore of molybdenum; molybdenum sulfide …   English World dictionary

  • molybdenite — molibdenitas statusas T sritis chemija apibrėžtis Mineralas. formulė MoS₂ atitikmenys: angl. molybdenite rus. молибденит …   Chemijos terminų aiškinamasis žodynas

  • molybdenite — noun Etymology: New Latin molybdena Date: 1837 a metallic gray usually foliated mineral consisting of molybdenum disulfide that is a major ore of molybdenum …   New Collegiate Dictionary

  • molybdenite — noun A mineral, molybdenum disulfide MoS, that is the principal ore of molybdenum; it is structurally similar to graphite and has a similar look and feel …   Wiktionary

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