5486 Cowlesite, Big Tree Creek, Yacolt, Clark Co., Washington October 2, 2019 Steve North and Central Americas United States Washington
Australasia Australia Victoria 5675 Cowlesite, Basalt quarry, Jindivick, Baw Baw Shire, Victoria June 28, 2020
North and Central Americas Oregon United States 1371 Cowlesite, Neer Road, Goble, Columbia Co., Oregon, USA September 22, 2019
Australasia Australia Victoria 0722 Cowlesite, Basalt quarry, Jindivick, Baw Baw Shire, Victoria August 6, 2022
