Ferrierite-Na, Saponite
Unnamed Basalt quarry, Altoona, Wahkiakum County, Washington, USA
An aggregate of colorless pointed blades of monoclinic ferrierite-Na occurs on brown saponite in vesicular Miocene basalt breccia found in Columbia River Dike boulders, west of Altoona, Wahkiakum County, Washington. Specimen was collected by Rudy Tschernich in 1972. This specimen is in the Rudy Tschernich Zeolite Collection, No. RWT5254a, at the ...
© Rudy W. Tschernich