3826 Heulandite, The Gobbins, Island Magee, Co. Antrim, Northern Ireland October 3, 2019 Steve Co. Antrim Northern Ireland United Kingdom
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 Oregon United States 4067 Pentagonite Inclusions, Heulandite, Owyhee Dam, Malheur Co., Oregon, USA October 4, 2019
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