Submitted by György Chityil ... on Fri, 01/19/2018 - 23:40 Hierarchy: NounDescription: {{geology}} a dark, finely crystalline rock of volcanic origin, being a mixture of nepheline and pyroxeneNgram: nepheliniteNgram Text: nepheliniteSource: WiktionaryIssue: 0Wiktionary tag: geologyNgram Count: 1