bn:00053182n
Noun Concept
Categories: Hydroxide minerals, Minerals in space group 14, Manganese(III) minerals, Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference, Wikipedia articles incorporating text from the 1911 Encyclopædia Britannica
EN
manganite  Burnessite  Gray manganese ore
EN
A black mineral consisting of basic manganese oxide; a source of manganese WordNet 3.0
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EN
Manganite is a mineral composed of manganese oxide-hydroxide, MnO, crystallizing in the monoclinic system. Wikipedia
Hydroxide mineral Wikidata
A dark gray mineral of manganese, MnO(OH), found throughout North America and Europe. Wiktionary
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