Submitted by György Chityil ... on Fri, 01/19/2018 - 23:26 Hierarchy: AdjectiveDescription: {{geology|of a crystalline mineral}} Having a chemical formula whose structure is similar to that of anotherNgram: isotypicNgram Text: isotypicSource: WiktionaryIssue: 0Wiktionary tag: geologyNgram Count: 1