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
North and Central Americas United States Washington 5486 Cowlesite, Big Tree Creek, Yacolt, Clark Co., Washington October 2, 2019
Co. Antrim Northern Ireland United Kingdom 0647 Levyne, Cowlesite, Offretite, Dunseverick, Giants Causeway, Co. Antrim, Northern Ireland September 20, 2019
