noun🔗Share輝石Any of a group of crystalline minerals containing silicates of iron, magnesium and calcium."The geologist found several dark, shiny crystals of pyroxene in the rock sample she collected. "地質学者は、採取した岩石標本の中に、暗く光沢のある輝石の結晶をいくつか発見した。mineralgeologyChat with AIVocabulary GamePractice Reading
