| 单词 | olivine |
| 释义 | olivine (once / 19440 pages) n WORD FAMILY olivine: olivines USAGE EXAMPLESThey were able to confirm that the composition of these matched that of micrometeorites, which tend to be rich in olivine, a greenish semi-precious gemstone. Economist(Dec 10, 2016) Backlit under a microscope, minerals in the slices—including plagioclase, olivine, and pyroxene—burst into focus: polygonal islands swimming in a dark sea of rock. Science Magazine(Nov 17, 2016) The gas may be given off by reactions between water and olivine in Martian rocks. The Guardian(Oct 19, 2016) n a mineral consisting of magnesium iron silicate; a source of magnesium Hypo|Hyper chrysolite a brown or yellow-green olivine found in igneous and metamorphic rocks and used as a gemstone peridota pale green variety of chrysolite; used as a gemstone mineral solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
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