felsite編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看felsitefelsite — 名詞名詞1. a fine-grained igneous rock rich in feldspar and quartz.1.名詞釋義霏細岩a fine-grained igneous rock rich in feldspar and quartz.例句The cliff was composed of light-colored felsite.