Conneaut Lake Erie Shoreline

Agates

Banded chalcedony prized for their colors and patterns. Lake Superior agates, Fairburn agates, and Montana moss agates are especially famous.

Also found at:

• Piedmont Gem Panning
• Black Warrior River Sites
• Quartzsite Gem Show

Chalcedony

Microcrystalline quartz found in many varieties including agate, jasper, and petrified wood. Widespread throughout the US in volcanic and sedimentary rocks.

Also found at:

• Black Warrior River Sites
• Saddle Mountain
• Opal Basin

Jasper

Opaque, fine-grained chalcedony prized for its rich earthy colors and patterns. Oregon, Washington, Idaho, and Alabama produce exceptional jasper varieties.

Also found at:

• Black Warrior River Sites
• Lyman Orchards Gem Mining
• Pepper Creek

Quartz Crystals

Clear, smoky, and rose quartz crystals are among the most common and rewarding rockhounding finds. Arkansas produces world-class quartz.

Also found at:

• Lake Martin Rockhounding Area
• M & G Mine
• Horseshoe Mine

Ohio Flint Ridge

Brownsville, Ohio · State Park

Flint Ridge State Memorial — Ohio flint is legendary among knappers. Beautiful rainbow-colored flint in many varieties. Surface collecting permitted.

Ohio Trilobite Exposures

Sylvania, Ohio · Public Land

Road cuts and exposures in northwest Ohio for Devonian trilobites, brachiopods, and other Paleozoic fossils.

Ohio Geode Beds

Tiffin, Ohio · Public Land

North-central Ohio creek beds and exposures for geodes and calcite crystals. Part of the Findlay Arch mineral district.

Vanport Flint Quarries

Zaleski, Ohio · Public Land

Ancient quarry sites in Vinton County used by Native Americans for high-quality Vanport flint. Part of the Ohio Flint Ridge region. Excellent for knap...

Ohio Caverns Gem Mining

West Liberty, Ohio · Fee Dig

Year-round gem mining at Ohio Caverns. Purchase bags of mining rough seeded with gemstones, emeralds, minerals, fossils, or arrowheads. Use outdoor sl...

Seneca Caverns Gem Mining

Bellevue, Ohio · Fee Dig

Gem mining at Seneca Caverns in Bellevue, OH. Seneca Mining Company offers sluice mining for gems, minerals, and fossils. Seasonal hours: May (Sat-Sun...