Table Rock

Zeolites

Also found at:

• No other locations listed yet

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
• Cape Henlopen State Park

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:

• Alabama Gold Camp
• Horseshoe Mine
• Lake Martin Rockhounding Area

Amethyst

Purple quartz crystals found in geodes and pegmatites. Notable sources include Georgia, North Carolina, Pennsylvania, and Maine.

Also found at:

• Crater of Diamonds State Park
• Prairie Creek (Lamproite Diatreme)
• Four Peaks Amethyst Mine

Smoky Quartz

Also found at:

• No other locations listed yet

Mica

Also found at:

• Coursey Pond
• Hoopes Reservoir
• Killen Pond

Pyrite

Iron sulfide known as Fool's Gold for its metallic luster. Found in many US states, often in association with other minerals. Popular with beginner collectors.

Also found at:

• Hog Mountain
• Flash Mountain Crystal Mine
• Magnet Cove Area

Basalt

Common volcanic rock forming much of the ocean floor and volcanic landscapes. Hawaii's volcanic geology is primarily basaltic, containing olivine and other minerals.

Also found at:

• Haleakala Volcanic Specimens
• Hawaii Lava Tube / Volcanic Specimens
• Punalu'u Black Sand Beach

Limestone

Sedimentary rock composed primarily of calcite. West Virginia and many other states have extensive limestone formations containing fossils.

Also found at:

• Devonian Fossil Gorge
• Schermerhorn Park (Fossil Beds)
• West Virginia Lithographic Limestone

Bruneau River Canyon

Bruneau, Idaho · BLM Land

Famous for Bruneau jasper — one of the most beautiful and sought-after jaspers in the world. Deep canyon country requiring 4WD.

Crystal Gold Mine

Kellogg, Idaho · Fee Dig

Authentic historic hard rock gold mine in Kellogg's Silver Valley. Offers guided underground mine tours (well-lit concrete walkways, no crawling), gol...

Emerald Creek Garnet Area

Clarkia, Idaho · USFS

The only place in the world (outside India) where star garnets are found. USFS-designated garnet collecting area. Stunning four-ray star garnets.

Homedale / Owyhee Jasper

Homedale, Idaho · BLM Land

The Owyhee region produces some of the world's finest jasper including Morrisonite, Willow Creek, and Bruneau jasper. World-class lapidary material.

Sinker Creek

Marsing, Idaho · Public Land

Southwest of Boise near Marsing. Known for fossilized wood, petrified palm root, agates, jasper, and quartz crystals. Fossils and agates found in grav...

Spencer Opal Mine

Spencer, Idaho · Fee Dig

The only opal mine in the US open for public digging. Dig through volcanic rhyolite to find fire opals with brilliant red, orange, and green play-of-c...