单词 | orthoclase |
释义 | Word Frequency orthoclase(ˈɔːθəʊˌkleɪs, -ˌkleɪz) noun a white to pale yellow, red, or green mineral of the feldspar group, found in igneous, sedimentary, and metamorphic rocks. It is used in the manufacture of glass and ceramics. Composition: potassium aluminium silicate. Formula: KAlSi3O8. Crystal structure: monoclinic |
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