To provide zeolite represented as UMZ-16, which has an anomalous structure and sufficient difference with offretite although it has some similarity with the offretite, and to provide UZM-16HS zeolite, obtained by subjecting the UZM-16 to a dealuminum treatment. オフレタイトと幾らかの類似点はあるが、特異な構造が与えられて充分な相違点を有するUZM−16で示されるゼオライト及びUZM−16を脱アルミ化したUZM−16HSゼオライトの提供。 - 特許庁