Submitted by György Chityil ... on Sat, 01/20/2018 - 01:24 Hierarchy: NounDescription: {{mineralogy}} An isometric oxide mineral with the chemical formula (Ca,Th,Ce)Zr(Ti,Nb)<sub>2</sub>O<sub>7</sub>.Ngram: zirkeliteNgram Text: zirkeliteSource: WiktionaryIssue: 0Wiktionary tag: mineralogyNgram Count: 1