noun🔗Share角闪石 A green to black amphibole mineral, of complex structure, formed in the late stages of cooling in igneous rock."The geologist found small crystals of hornblende in the igneous rock sample collected near the school. "地质学家在学校附近采集的火成岩样本中发现了细小的角闪石晶体.geologymineralmaterialChat with AIVocabulary GamePractice Reading