| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024scheel•ite (shā′līt, shē′-),USA pronunciation n. [Mineral.]- Mineralogycalcium tungstate, CaWO4, usually occurring in tetragonal crystals: an important ore of tungsten.
- German Scheelit, named after K. west, western. Scheele, who first isolated tungstic acid; see -ite1
- 1830–40
Collins Concise English Dictionary © HarperCollins Publishers:: scheelite /ˈʃiːlaɪt/ n - a white, brownish, or greenish mineral, usually fluorescent, consisting of calcium tungstate in tetragonal crystalline form with some tungsten often replaced by molybdenum: occurs principally in contact metamorphic rocks and quartz veins, and is an important source of tungsten and purified calcium tungstate. Formula: CaWO4
Etymology: 19th Century: from German Scheelit, named after Karl Wilhelm Scheele (1742–86), Swedish chemist |