5486 Cowlesite, Big Tree Creek, Yacolt, Clark Co., Washington October 2, 2019 Steve North and Central Americas United States Washington
Co. Antrim Northern Ireland United Kingdom 0635 Cowlesite, Dunseverick, Giants Causeway, Co. Antrim, Northern Ireland September 20, 2019
Scotland United Kingdom 3630 Cowlesite, Sgurr Nan Sidhein, Moonen Bay, Duirinish, Isle of Skye, Scotland October 3, 2019