单词 | jadeite |
释义 | Word Frequency jadeite(ˈdʒeɪdaɪt) noun a usually green or white mineral of the clinopyroxene group, found in igneous and metamorphic rocks. It is used as a gemstone (jade). Composition: sodium aluminium silicate. Formula: NaAlSi2O6. Crystal structure: monoclinic |
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