Submitted by György Chityil ... on Fri, 01/19/2018 - 20:30 Hierarchy: NounDescription: {{mineralogy}} An isometric-hexoctahedral bronze brown mineral containing iron, nickel, silver, and sulfur.Ngram: argentopentlanditeNgram Text: argentopentlanditeSource: WiktionaryIssue: 0Wiktionary tag: mineralogyNgram Count: 1