单词 | olivenite |
释义 | Word Frequency olivenite(ɒˈlɪvɪˌnaɪt) noun a green to black rare secondary mineral consisting of hydrated basic copper arsenate in orthorhombic crystalline form. Formula: Cu2(AsO4)(OH) Word origin C19: from German Oliven(erz) olive (ore) + -ite1 |
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