Although this site has been worked by rockhounds for many years, quality thundereggs can still be found by determined rockhounds. Digging through the tough rhyolite matrix can be difficult so be sure to bring hand tools adequate for breaking rock. Learn More

This site offers thundereggs that are filled with colorful jasper. Shades of red, yellow, and tan are available as well as a creamy white color. The thundereggs can be difficult to remove from the hard rhyolite matrix, so bring hand Learn More