wolframite
noun Etymology: German Wolframit, from Wolfram Date: circa 1868 a brown to black mineral that consists of a tungstate of iron and manganese occurring especially in monoclinic crystals and used as a source of tungsten

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Wolframite — Catégorie IV : oxydes et hydroxydes[1] Wolframite et apatite (violet) Panasquiera Portugal (18x13cm) …   Wikipédia en Français

  • Wolframite — Wol fram*ite, n. [G., wolframit, wolfram; wolf wolf + rahm cream, soot; cf. G. wolfsruss wolfram, lit., wolf s soot.] (Min.) Tungstate of iron and manganese, generally of a brownish or grayish black color, submetallic luster, and high specific… …   The Collaborative International Dictionary of English

  • wolframite — [wool′frə mīt΄] n. [Ger wolframit: see WOLFRAM] a semihard, heavy, dark colored, monoclinic mineral, (Fe,Mn)WO4, the chief ore of tungsten; iron manganese tungstate …   English World dictionary

  • Wolframite — Infobox mineral name = Wolframite category = boxwidth = boxbgcolor = imagesize = 150 caption = formula = (Fe,Mn)WO4 molweight = color = Black (ferberite) to brown (huebnerite) habit = Tabular crystals, sometimes prismatic system = Monoclinic 2/m… …   Wikipedia

  • wolframite — wolfram [ vɔlfram ] n. m. • 1759; mot all. (XVIe), probablt de Wolf « loup » et Rahm « crème » ♦ Principal minerai de tungstène, tungstate naturel de fer et de manganèse, noirâtre. Mines de wolfram. On dit aussi WOLFRAMITE n. f. , 1892 .… …   Encyclopédie Universelle

  • wolframite — /wool freuh muyt , vawl /, n. a mineral, iron manganese tungstate, (Fe,Mn)WO4, occurring in heavy grayish black to brownish black tabular or bladed crystals: an important ore of tungsten. Also, wolfram. [1865 70; WOLFRAM + ITE1] * * * ▪ mineral… …   Universalium

  • wolframite — volframitas statusas T sritis chemija apibrėžtis Mineralas. formulė (Mn,Fe)[WO₄] atitikmenys: angl. wolframite rus. вольфрамит …   Chemijos terminų aiškinamasis žodynas

  • wolframite — volframitas statusas T sritis chemija formulė M₂WO₃ atitikmenys: angl. wolframite rus. вольфрамит ryšiai: sinonimas – trioksovolframatas (2–) …   Chemijos terminų aiškinamasis žodynas

  • wolframite — noun A mineral that consists of a tungstate of iron and manganese; (Fe,Mn)WO …   Wiktionary

  • wolframite — wol·fra·mì·te s.f. TS mineral. minerale di notevole interesse economico, di colore nero, costituito da wolframato di ferro e manganese, che cristallizza nel sistema monoclino ed è utilizzato per l estrazione di wolframio {{line}} {{/line}} DATA:… …   Dizionario italiano

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