Valley Quarry - Gettysburg

Copper

Native copper metal found in Michigan's Keweenaw Peninsula. The largest known deposits of native copper in the world, prized by mineral collectors.

Also found at:

• Hidee Gold Mine
• Last Chance Mine
• Caledonia Mine

Bornite

Also found at:

• No other locations listed yet

Chalcocite

Also found at:

• No other locations listed yet

Chrysocolla

Also found at:

• Cooper's Gem Mine
• Shakespeare Ghost Town

Native Copper

Also found at:

• No other locations listed yet

Epidote

Green silicate mineral common in metamorphic rocks. Found in Alabama's Piedmont region and other metamorphic zones across the US.

Also found at:

• Lake Martin Rockhounding Area
• Prairie Creek (Lamproite Diatreme)
• War Eagle Mountain

Andradite

Also found at:

• No other locations listed yet

Stilbite

Also found at:

• No other locations listed yet

Heulandite

Also found at:

• No other locations listed yet

Chabazite

Also found at:

• No other locations listed yet

Chalcopyrite

Also found at:

• Galena Mining Dumps (Tri-State District)
• Ringwood Mines / Ringwood State Park
• Sneech Pond Copper Mines (Copper Mine Hill)

Brookdale Mine

Phoenixville, Pennsylvania · Fee Dig

Historic lead mine in Chester County open to public collecting with permission. Known for exceptional quartz crystals, pyromorphite, and associated mi...

Cornwall Iron Mine Dumps

Cornwall, Pennsylvania · Public Land

Historic iron mine dumps for garnet, pyrite, and magnetite specimens. Cornwall was one of the most productive iron mines in the US.

Delaware County Sunstone (Aventurine Feldspar)

Media, Pennsylvania · Fee Dig

Rare metamorphic sunstone (aventurine oligoclase feldspar) found in Delaware County. Produces an orange-gold schiller effect from oriented hematite pl...

French Creek Area Garnets & Amethyst

Knauertown, Pennsylvania · mixed

Historic iron mine area in Chester County producing almandine garnet, amethyst, and a variety of calc-silicate minerals. Mine dumps from colonial-era ...

Indian Echo Caverns Gem Mill Junction

Hummelstown, Pennsylvania · Fee Dig

Gem Mill Junction at Indian Echo Caverns offers gemstone panning for amethyst, jasper, calcite, agate, and more. Purchase gem bags and pan for treasur...

Lehigh Gap Zinc Minerals

Palmerton, Pennsylvania · mixed

Historic zinc mining district along Blue Mountain. Weathering of sphalerite produced secondary zinc minerals including smithsonite, hemimorphite, and ...