noun🔗Share옥수A form of fine-grained quartz that is nearly transparent or has a milky translucence; it fractures conchoidally."The artisan carefully polished the piece of chalcedony until its milky translucence caught the light beautifully. "장인은 옥수 조각을 조심스럽게 연마하여 우유빛 반투명함이 빛을 아름답게 포착하도록 했습니다.geologymineralmaterialsubstanceChat with AIVocabulary GamePractice Reading
