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

Access to this site requires a rugged ¼-mile hike through scenic high desert country. Colorful agate and jasper can be collected on the ground surface below the cliffs overlooking the site. Many specimens have cavities filled with drusy quartz. The Learn More

Glass Butte offers rockhounds a wide variety of gem quality obsidian. Rainbow, black, pumpkin, mahogany, midnight lace, gold sheen, silver sheen, fire, and double flow varieties can all be found in the area. While many rockhounds choose to dig for Learn More

The site is worth visiting to search for calcite, jasper, agate, quartz, common opal, leaf fossils, and petrified wood. Most abundant at Fischer Canyon, white calcite fluoresces pink under ultraviolet light. At the time of our visit, we have found 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

Rockhounding supplies, etc. Learn More

Agates & Gems of the West. Specializing in bookends, thundereggs, clocks, pen sets, jewelry, custom cutting, and polishing. Learn More

Our amazing variety of crystals, gems and jewelry make great gifts. Come in and experience our fun-filled children’s discovery area. ​Experience a working sluice box​ to mine for gems and fossils, choose and crack a geode and a check out Learn More

Petersen Rock Gardens were started in 1935 by Rasmus Petersen. Mr. Petersen was born in Denmark on July 21, 1883, and came to Central Oregon in 1906. He built a home, began farming, and gradually purchased land until he was Learn More

Richardson’s Rock Ranch is a family-owned and operated enterprise providing family recreation. Since its opening over 40 years ago, the rock shop hasn’t been closed for a single day. The ranch is a working cattle ranch, supplemented by the world-famous Learn More