Thomsonite-Ca
Jaquish roadcut, Goble, Columbia County, Oregon, USA
Colorless to bluish-gray, smooth, "plastic-like" balls of thomsonite-Ca, up to 10 mm in diameter, from the grayish basalt flow at the Jaquish road cut along Highway 30, south of Goble, Oregon collected by Rudy Tschernich in 1991. In the Rudy Tschernich Zeolite Collection at the Rice NW Museum of Rocks and Minerals, Hillsboro, Oregon. Photo by Rudy ...
© Rudy W. Tschernich