中文翻译与英英解释 | a white or colored monoclinic feldspar
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| Orthoclase (endmember formula KAlSi3O8) is an important tectosilicate mineral which forms igneous rock. The name is from the Greek for "straight fracture," because its two cleavage planes are at right angles to each other. |
例句与用法 | 1. | Epidote orthoclase pegmatite
绿帘正长伟晶岩
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