英语词汇“sphene”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	sphene
释义	WordReference Random House Unabridged Dictionary of American English © 2024 sphene (sfēn),USA pronunciation n. Mineralogya 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. Greek sphé̄n wedge 1805–15 Collins Concise English Dictionary © HarperCollins Publishers:: sphene /sfiːn/ n a brown, yellow, green, or grey lustrous mineral consisting of calcium titanium silicate in monoclinic crystalline form. It occurs in metamorphic and acid igneous rocks and is used as a gemstone. Formula: CaTiSiO₅ Also called: titanite Etymology: 19th Century: from French sphène, from Greek sphēn a wedge, alluding to its crystals
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更新时间：2025/7/23 3:07:10