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单词 chalcophanite
释义

chalcophanite

noun

chal·​coph·​a·​nite
kalˈkäfəˌnīt
plural -s
: a mineral (Zn,Mn,Fe)Mn2O5.nH2O consisting of black hydrous manganese and zinc oxide and having a metallic luster

Word History

Etymology

chalc- + phan- (from Greek phainein to show) + -ite; from its change to a copper color when heated

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更新时间:2024/12/23 21:48:07