SPHÈNE — Du grec sphenos (coin), le sphène est un minéral nésosilicate qui cristallise dans le système monoclinique; il donne des prismes rhombiques, le plus souvent aplatis et rappelant une enveloppe. Les macles sont fréquentes suivant (100), et plus… … Encyclopédie Universelle
Sphene — Sphene, n. [F. sph[ e]ne, fr. Gr. sfh n a wedge.] (Min.) A mineral found usually in thin, wedge shaped crystals of a yellow or green to black color. It is a silicate of titanium and calcium; titanite. [1913 Webster] … The Collaborative International Dictionary of English
sphene — [sfēn] n. [Fr sphène < Gr sphēn, a wedge (for IE base see SPOON): so named because of its crystal form] a variously colored mineral, CaTiSiO5, that is an ore of titanium; calcium titanium silicate … English World dictionary
sphene — crys·to·sphene; dip·lo·sphene; hy·po·sphene; sphene; zy·go·sphene; … English syllables
sphene — noun Etymology: French sphène, from Greek sphēn wedge Date: 1815 a mineral that is a silicate of calcium and titanium and often contains other elements … New Collegiate Dictionary
Sphène — Titanite Titanite de Capelinha, au Brésil La titanite ou sphène (formule chimique CaTi(SiO5) ) est un silicate de la famille des nésosubsilicates, il contient du calcium. Ce minéral des roches magmatiques sodiques et métamorphiques est de … Wikipédia en Français
sphene — 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
sphene — ˈsfēn noun ( s) Etymology: French sphène, from Greek sphēn wedge; from a form of its crystals : a mineral CaTiSiO5 that is a silicate of calcium and titanium, and often contains columbium, chromium, fluorine, and other elements called also… … Useful english dictionary
sphene — /sfeen/, n. a mineral, calcium titanium silicate, CaTiSiO5, occurring as an accessory mineral in a variety of crystalline rocks, usually in small wedge shaped crystals. Also called titanite. [1805 15; < Gk sphén wedge] * * * … Universalium
sphene — noun titanite … Wiktionary