4797 Erionite, Phelps Dodge Corporation Well No. 1, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA October 5, 2019 Steve Arizona North and Central Americas United States Analysed, Helmut Braith
Arizona North and Central Americas United States 7025 JL977, Erionite, Ajo, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA September 23, 2019
Co. Antrim Northern Ireland United Kingdom 3831 Heulandite, Erionite, Dunseverick, Co. Antrim, Northern Ireland October 3, 2019
Europe Germany 4463 Offretite/Erionite, Chabazite, Phillipsite, Bonacker quarry, Gedern, Vogelsberg, Hesse, Germany October 5, 2019
Australasia Australia Queensland ncat OW302 Erionite, Clinoptilolite-Na, Laidley Creek, Gatton Valley, Lockyer Valley Region, Queensland February 1, 2023