单词 | plumbojarosite |
释义 | plumbojarositeMineralogy noun A mineral of the hexagonal crystal system consisting of a basic sulphate of lead and ferric iron, PbFe6(SO4)4(OH)12, and occurring as brown crusts or compact masses, especially as a secondary mineral in lead ores in arid regions. OriginEarly 20th century. |
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