1371 Cowlesite, Neer Road, Goble, Columbia Co., Oregon, USA September 22, 2019 Steve North and Central Americas Oregon United States Type Locality.
North and Central Americas United States Washington 5486 Cowlesite, Big Tree Creek, Yacolt, Clark Co., Washington October 2, 2019
Australasia Australia Victoria 5675 Cowlesite, Basalt quarry, Jindivick, Baw Baw Shire, Victoria June 28, 2020
Co. Antrim Northern Ireland United Kingdom 1616 Cowlesite, Parkgate Quarry, Ballysclare, Co. Antrim, Northern Ireland September 22, 2019
Co. Antrim Northern Ireland United Kingdom ncat JP0561 Cowlesite, Dunseverick, Giant’s Causeway, Co. Antrim, Northern Ireland, UK October 8, 2019
