Brown County State Park Geodes (Road Cut)

Geodes

Hollow rocks lined with crystals. Iowa's Keokuk region is the Geode Capital of the World.

Also found at:

• Quartzsite Gem Show
• Boggy Creek Fossil & Gem Mine
• Lost Mines of Atlantis

Goethite

Also found at:

• Prospect Park Quarry

Marcasite

Also found at:

• Carrsville Area Fluorspar Mines
• Jean & Ric Edelman Fossil Park

Aragonite

Also found at:

• Fort Drum Crystal Mine (Ruck's Pit)
• Cooper's Gem Mine

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

Indiana Geode & Fossil Beds

Bedford, Indiana · Public Land

Southern Indiana creek beds and road cuts for geodes, calcite crystals, and crinoid fossils. Part of the prolific Mississippian bedrock.

Falls of the Ohio Fossil Beds

Clarksville, Indiana · State Park

World-famous Devonian fossil beds exposed on the Ohio River. Over 600 species identified. Some of the largest exposed coral reefs from the Devonian pe...

Indiana Fluorspar District

Rising Sun, Indiana · Public Land

Historic fluorite mining district in southeast Indiana. Mine dumps produce colorful fluorite, calcite, and sphalerite crystals along the Ohio River.

Harrodsburg Geode Beds

Harrodsburg, Indiana · pay-to-dig

Collect geodes from the famous Indiana limestone belt. Crack them open to reveal quartz, calcite, and pyrite crystals inside. Part of the prolific Mis...

McCormick's Creek Gem Panning

Spencer, Indiana · State Park

Gem panning and fossil hunting at McCormick's Creek State Park. Find fossils, trilobite fragments, and geodes in the creek bed. Located in Owen County...

Lawrence County Gem Mine

Bedford, Indiana · pay-to-dig

Gem panning in the heart of Indiana's limestone country. Find fossils, calcite, and geodes from the Salem Limestone formation. Located in Lawrence Cou...