5486 Cowlesite, Big Tree Creek, Yacolt, Clark Co., Washington October 2, 2019 Steve North and Central Americas United States Washington
Australasia Australia Victoria 0722 Cowlesite, Basalt quarry, Jindivick, Baw Baw Shire, Victoria August 6, 2022
Scotland United Kingdom 3630 Cowlesite, Sgurr Nan Sidhein, Moonen Bay, Duirinish, Isle of Skye, Scotland October 3, 2019
Co. Antrim Northern Ireland United Kingdom ncat JP0561 Cowlesite, Dunseverick, Giant’s Causeway, Co. Antrim, Northern Ireland, UK October 8, 2019
Australasia Australia Victoria 0726 Levyne, Cowlesite, Calcite, Analcime, Jindivick, Victoria September 20, 2019
