noun🔗Share석영The most abundant mineral on the earth's surface, of chemical composition silicon dioxide, SiO2. It occurs in a variety of forms, both crystalline and amorphous. Found in every environment."The geologist found a beautiful piece of quartz in the park. "지질학자는 공원에서 아름다운 석영 조각을 발견했다.geologymineralmaterialchemistryscienceenvironmentnatureChat with AIVocabulary GamePractice Reading
