Submitted by György Chityil ... on Sat, 01/20/2018 - 01:24 Hierarchy: NounDescription: {{mineralogy}} A grey mineral form of iron(II) oxide with a greenish tint.Ngram: wüstiteNgram Text: wüstiteSource: WiktionaryIssue: 0Wiktionary tag: mineralogyNgram Count: 1