Chabazite-Ca, Scolecite, Heulandite Subgroup
Pedernal Road cuts, Candelarita District, Puriscal Canton, San José Province, Costa Rica
Colorless, frosted, rhombohedron of chabazite-Ca, 5 mm across, with white scolecite needles and colorless prisms of heulandite from a road cut north of Pedernal, Costa Rica, collected by Rudy Tschernich in 1993. Specimen is in the Rudy Tschernich Zeolite Collection No. RWT8358b at the Rice NW Museum of Rocks and Minerals, Hillsboro, Oregon. Photo ...
© Rudy W. Tschernich