英语词汇“chalcocite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	chalcocite
释义	Word Frequency chalcocite (ˈkælkəˌsaɪt) noun a lead-grey or black mineral, found as a copper ore or in veins. It is a source of copper. Composition: copper sulphide. Formula: Cu2S. Crystal structure: orthorhombic Word origin C19: changed from earlier chalcosine, from Greek khalkos copper + -ite1
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