单词	manganite
释义	manganite /ˈmaŋɡənʌɪt / noun [mass noun] A mineral consisting of basic manganese oxide, typically occurring as steel-grey or black prisms.Museum-quality specimens of manganite have been collected from the Taylor mine for many years and can be seen in collections around the world.... There are exceptions, such as German manganite. It never occurs as a free element, but only in ores such as pyrolusite, manganite, psilomelane, and rhodochrosite.
随便看	pentangular pentanoate pentanoic acid pentanol pentanucleotide pentapedal pentapeptide pentaphonic pentaploid pentapody pentapolis pentapolitan pentaprism pentaptych pentaquark pentarch pentarchical pentarchy pentasepalous pentaspast pentastich pentastichous Pentastoma pentastome pentastomid

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