Gyrolite, Erionite Subgroup
Tunnel Beach, Oceanside, Tillamook County, Oregon, USA
White, thin, hexagonal-appearing plates of gyrolite on colorless erionite from the basalt cliffs along Tunnel Beach, Oceanside, Tillamook County, Oregon. Collected by Rudy Tschernich in 1995. The specimen is in the Rudy Tschernich Zeolite Collection, No. RWT1482b, at the Rice Northwest Museum of Rocks and Minerals, Hillsboro, Oregon. Photo by Rudy ...
© Rudy Tschernich