Fergusonite
Fergusonite Fer"gu*son*ite, n. (Min.) A mineral of a brownish black color, essentially a tantalo-niobate of yttrium, erbium, and cerium; -- so called after Robert Ferguson. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Fergusonite — is a mineral comprising a complex oxide of various rare earth elements. Its formula is given basically as (Ce,La,Nd)NbO4. However other analyses also include yttrium, erbium, and tantalum. It is found as small (less than 100 micrometres), needle… …   Wikipedia

  • fergusonite — ● fergusonite nom féminin (de R. Ferguson, nom propre) Niobate naturel trouvé en Suède et au Groenland …   Encyclopédie Universelle

  • fergusonite — s. f. Espécie de mineral escuro …   Dicionário da Língua Portuguesa

  • fergusonite — fergusonitas statusas T sritis chemija apibrėžtis Mineralas. formulė (Y,Er,Ce,U)·(Nb,Ta,Ti)O₄ atitikmenys: angl. fergusonite rus. фергусонит …   Chemijos terminų aiškinamasis žodynas

  • fergusonite — /ferr geuh seuh nuyt /, n. a rare earth mineral, yttrium columbate and tantalate, found in pegmatites. [1820 30; named after R. Ferguson, 19th century Scottish physician; see ITE1] * * * …   Universalium

  • fergusonite — noun A mineral composed of oxides of various rare earth elements …   Wiktionary

  • fergusonite — fer·gu·son·ite …   English syllables

  • fergusonite — noun a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals • Hypernyms: ↑mineral • Substance Meronyms: ↑erbium, ↑Er, ↑atomic number 68, ↑tantalum, ↑Ta, ↑atomic number 73 …   Useful english dictionary

  • List of minerals F-J (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go… …   Wikipedia

  • Liste des mineraux (lettre F) — Liste des minéraux (lettre F) liste des minéraux A B C D E F G H I J K L M N O P Q R S T U V W …   Wikipédia en Français

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