noun🔗Share각섬석A 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. "지질학자는 학교 근처에서 채취한 화성암 표본에서 작은 각섬석 결정을 발견했다.geologymineralmaterialChat with AIVocabulary GamePractice Reading
