noun🔗Share玉髄A 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. "職人は、その乳白色の半透明さが光を美しく捉えるまで、玉髄の欠片を丁寧に磨きました。geologymineralmaterialsubstanceChat with AIVocabulary GamePractice Reading
