noun🔗Share角閃石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. "地質学者は、学校の近くで採取された火成岩サンプルの中に、小さな角閃石の結晶を見つけた。geologymineralmaterialChat with AIVocabulary GamePractice Reading
