| 单词 | anorthite |
| 释义 | Word Frequency anorthite(ænˈɔːθaɪt) noun a white to greyish-white or reddish-white mineral of the feldspar group and plagioclase series, found chiefly in igneous rocks and more rarely in metamorphic rocks. It is used in the manufacture of glass and ceramics. Composition: calcium aluminium silicate. Formula: CaAl2 Si2O8. Crystal structure: triclinic Derived forms anorthitic (ˌænɔːˈθɪtɪk) adjective Word origin C19: from an- + ortho- + -ite1 |
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