ncat JP0561 Cowlesite, Dunseverick, Giant’s Causeway, Co. Antrim, Northern Ireland, UK October 8, 2019 Steve Co. Antrim Northern Ireland United Kingdom
Australasia Australia Victoria 5675 Cowlesite, Basalt quarry, Jindivick, Baw Baw Shire, Victoria June 28, 2020
Australasia New Zealand ncat JP3249 Cowlesite, Levyne, Lyttelton Harbour Board Quarry, Lyttelton, Christchurch City, Canterbury Region, South Island, New Zealand October 8, 2019
North and Central Americas United States Washington 5486 Cowlesite, Big Tree Creek, Yacolt, Clark Co., Washington October 2, 2019
