自然铜 Save Sign in to save words Traditional (Taiwan): 自然銅 zìrántóng ㄗˋ ㄖㄢˊ ㄊㄨㄥˊ natural copper chalcopyrite copper iron sulfide CuFeS2 Character by character 自(zì)self 然(rán)correct 铜(tóng)copper A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0