Submitted by György Chityil ... on Sat, 01/20/2018 - 01:20 Hierarchy: NounDescription: {{mineralogy}} A monoclinic-prismatic colorless mineral containing oxygen, silicon, sodium, and zirconium.Ngram: vlasoviteNgram Text: vlasoviteSource: WiktionaryIssue: 0Wiktionary tag: mineralogyNgram Count: 1