Co. Antrim Northern Ireland United Kingdom ncat JP0561 Cowlesite, Dunseverick, Giant’s Causeway, Co. Antrim, Northern Ireland, UK October 8, 2019
Australasia New Zealand ncat JP3249 Cowlesite, Levyne, Lyttelton Harbour Board Quarry, Lyttelton, Christchurch City, Canterbury Region, South Island, New Zealand October 8, 2019
Australasia Australia Victoria 0722 Cowlesite, Basalt quarry, Jindivick, Baw Baw Shire, Victoria August 6, 2022