noun🔗Share휘석Any 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. "지질학자는 그녀가 수집한 암석 표본에서 어둡고 반짝이는 여러 휘석 결정을 발견했다.mineralgeologyChat with AIVocabulary GamePractice Reading
