4443 Heulandite, Portobello Station, New South Wales October 5, 2019 Steve Australasia Australia New South Wales Greg Andrew
Co. Antrim Northern Ireland United Kingdom 3831 Heulandite, Erionite, Dunseverick, Co. Antrim, Northern Ireland October 3, 2019
North and Central Americas Oregon United States 4067 Pentagonite Inclusions, Heulandite, Owyhee Dam, Malheur Co., Oregon, USA October 4, 2019
Arizona North and Central Americas United States 1034 Erionite-K, Heulandite, Malpais Hill, Dudleyville, Pinal Co., Arizona, USA July 25, 2021
North and Central Americas United States Washington ncat JSM Analcime, Heulandite, Four Mile Quarry, Porter, Grays Harbor Co., Washington, USA November 12, 2021