noun🔗Share玉髓 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. "工匠小心地打磨着这块玉髓，直到它那乳白色的半透明质地能完美地捕捉光线。geologymineralmaterialsubstanceChat with AIVocabulary GamePractice Reading
