7116 Cowlesite, Douglas Lake Road, Westwold, Kamloops Mining Division, British Columbia, Canada October 5, 2019 Steve Canada North and Central Americas ex Joan Lamond Collection
North and Central Americas United States Washington 5486 Cowlesite, Big Tree Creek, Yacolt, Clark Co., Washington October 2, 2019
Australasia Australia Victoria 0726 Levyne, Cowlesite, Calcite, Analcime, Jindivick, Victoria September 20, 2019
Australasia Australia Victoria 5675 Cowlesite, Basalt quarry, Jindivick, Baw Baw Shire, Victoria June 28, 2020