Submitted by György Chityil ... on Fri, 01/19/2018 - 20:43 Hierarchy: NounDescription: {{mineralogy}} An orthorhombic-disphenoidal lead gray mineral containing arsenic, silver, and sulfur.Ngram: billingsleyiteNgram Text: billingsleyiteSource: WiktionaryIssue: 0Wiktionary tag: mineralogyNgram Count: 1
