titanite

titanite
/tuyt"n uyt'/, n. Mineral.
sphene.
[1790-1800; < G Titanit. See TITANIUM, -ITE1]

* * *

also called  sphene  

      titanium and calcium silicate mineral, CaTiSiO4(O,OH,F), that, in a crystallized or compact form, makes up a minor component of many igneous rocks and gneiss, schist, crystalline limestone, and pegmatite. Occurrences include the Tirol, Austria; Trentino, Italy; Norway; Switzerland; Madagascar; and the United States (New York). Titanite's relatively high dispersion causes it to be a brilliant gem of various colours; it is usually faceted. For detailed physical properties, see silicate mineral (table).

* * *


Universalium. 2010.

Игры ⚽ Нужна курсовая?

Look at other dictionaries:

  • Titanite — Catégorie IX : silicates[1] Titanite de Capelinha, au Brésil …   Wikipédia en Français

  • titanite — ● titanite nom féminin Synonyme de sphène. ● titanite (synonymes) nom féminin Synonymes : sphène titanite [titanit] n. f. ÉTYM. 1836; n. m., 1803; de titane. ❖ 1 Minéralogie. Silicate naturel de t …   Encyclopédie Universelle

  • Titanite — Ti tan*ite, n. [Cf. F. titanite; so called from containing titanic acid.] (Min.) See {Sphene}. [1913 Webster] …   The Collaborative International Dictionary of English

  • titanite — s. f. Silicato natural de titânio …   Dicionário da Língua Portuguesa

  • titanite — [tīt′ n īt΄] n. [Ger titanit: see TITANIUM & ITE1] SPHENE …   English World dictionary

  • Titanite — from Capelinha, thumb|300pxTitanite or sphene is a calcium titanium nesosilicate mineral, CaTiSiO5. Trace impurities of iron and aluminium are invariably present. Also commonly present are rare earth metals including cerium and… …   Wikipedia

  • titanite — titanitas statusas T sritis chemija apibrėžtis Mineralas. formulė CaTi(SiO₄)(O,OH,F) atitikmenys: angl. sphene; titanite rus. сфен; титанит ryšiai: sinonimas – sfenas …   Chemijos terminų aiškinamasis žodynas

  • titanite — noun A mixed calcium and titanium neosilicate, CaTiSiO, once known as sphene …   Wiktionary

  • titanite — (ti ta ni t ) s. m. Terme de minéralogie. Synon. du titane silicéo calcaire de Haüy …   Dictionnaire de la Langue Française d'Émile Littré

  • titanite — pl.f. titaniti …   Dizionario dei sinonimi e contrari

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”