noun🔗ShareКварцThe 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. "Геолог нашел красивый кусок кварца в парке.geologymineralmaterialchemistryscienceenvironmentnatureChat with AIVocabulary GamePractice Reading
