| 单词 | sphalerite |
| 例句 | A name given by English miners to sphalerite, or zinc blende; Ð called also false galena. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z The minerals containing lead are principally galenite or lead sulphate, cerussite or lead carbonate; while the zinc is contained in the minerals, sphalerite or zinc sulphide, calamine or zinc silicate, smithsonite or zinc carbonate, etc. North America 2011-05-05T02:00:20.027Z The most important mineral of zinc is the sulphide, sphalerite or "zinc blende." The Economic Aspect of Geology This substance occurs as the mineral sphalerite, and is one of the most valued ores of zinc. An Elementary Study of Chemistry Tin comes from the ore cassiterite; zinc from sphalerite and zincblende, or blackjack. Let's Collect Rocks and Shells Examine brimstone, flowers of sulphur, pyrite, chalcopyrite, sphalerite, galenite, gypsum, barite. An Introduction to Chemical Science Sphalerite almost always contains a little cadmium, probably as the sulphide; and in zinc deposits crystals of sphalerite in cavities are frequently covered with a greenish-yellow film or coating of greenockite. The Economic Aspect of Geology In addition to these definite mineral forms, silver is present in many ores in an undetermined form in other sulphides, notably in galena, sphalerite, and pyrite. The Economic Aspect of Geology |
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