Scotland United Kingdom 3630 Cowlesite, Sgurr Nan Sidhein, Moonen Bay, Duirinish, Isle of Skye, Scotland October 3, 2019
Co. Antrim Northern Ireland United Kingdom 0635 Cowlesite, Dunseverick, Giants Causeway, Co. Antrim, Northern Ireland September 20, 2019
Australasia Australia Victoria 5675 Cowlesite, Basalt quarry, Jindivick, Baw Baw Shire, Victoria June 28, 2020
Canada North and Central Americas 7116 Cowlesite, Douglas Lake Road, Westwold, Kamloops Mining Division, British Columbia, Canada October 5, 2019
