Submitted by György Chityil ... on Fri, 01/19/2018 - 23:31 Hierarchy: NounDescription: {{geology}} a dark gray mineral of manganese, MnO(OH), found throughout North America and EuropeNgram: manganiteNgram Text: manganiteSource: WiktionaryIssue: 0Wiktionary tag: geologyNgram Count: 1