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