Route 114 Roadcut (Danalite Locality)

Danalite

Also found at:

• No other locations listed yet

Fluorite

Colorful halide mineral that often forms cubic crystals. The Illinois-Kentucky fluorite district was once the world's leading producer. Also found in New York and Tennessee.

Also found at:

• Lake Catherine (South Side)
• Long Hill Mine (Old Mine Park)
• Illinois Fluorite District

Ankerite

Also found at:

• No other locations listed yet

Sphalerite

Zinc sulfide mineral, the primary ore of zinc. Found in Missouri, Wisconsin, New York, and Kentucky's Mississippi Valley deposits.

Also found at:

• Hog Mountain
• Yellville Mines (Rush Mining District)
• Indiana Fluorspar District

Apatite

Phosphate mineral found in pegmatites and sedimentary rocks. Alabama's pegmatite deposits contain apatite crystals in association with other minerals.

Also found at:

• M & G Mine
• Millsite Tin Mine
• Cove Creek Bridge

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

Hornblende

Also found at:

• Ely Mine

Beavertail State Park Minerals

Jamestown, Rhode Island · State Park

Rocky shoreline for quartz veins and unusual metamorphic rock formations. Beavertail's geology is some of the oldest in the region.

Bonnet Shore Beach

Narragansett, Rhode Island · Public Beach

Pegmatite outcrops along the Bonnet Shores coast carrying beryl and quartz in coarse granitic pods — rare gem-family minerals in place on a public RI ...

Cumberlandite Beds

Cumberland, Rhode Island · Public Land

The only location in the world for cumberlandite (Rhode Island's state rock). A rare iron-rich igneous rock found only in a small area of RI.

Diamond Hill Quartz

Cumberland, Rhode Island · Public Land

Massive white quartz outcrop at Diamond Hill Town Park in Cumberland, featuring a 350-foot vertical face on 'The Big Hill.' Historically Rhode Island'...

Jamestown Bridge Area

Jamestown, Rhode Island · Public Land

Metamorphic rocks exposed near the Jamestown bridge landing on Conanicut Island, a well-documented mineral locality known for staurolite (cross-shaped...

Moosup River

Coventry, Rhode Island · Public Land

River gravels and exposures along the Moosup River, which flows through the Moosup Valley area underlain by Moosup Valley gabbro, Northbridge and Putn...