Quartz & Crystals rockhounding sites in Connecticut

Quartz veins, crystal pockets, and pegmatite sites — from Herkimer diamonds to Arkansas clear quartz.

18 quartz & crystals destinations in Connecticut.

Rockhounding sites in Connecticut — quartz & crystals: 18 spots in our directory. Sort live from your phone with near me, or browse all U.S. quartz & crystals rockhounding sites and the Connecticut state page.

Quartz & Crystals collecting in Connecticut

Quartz veins, crystal pockets, and pegmatite sites — from Herkimer diamonds to Arkansas clear quartz.

We currently document 18 quartz & crystals collecting sites in Connecticut. Each listing includes original descriptions, visitor notes, and last-updated dates when available.

What to know before you collect

Quartz & Crystals destinations in Connecticut vary widely in access, season, and legality. Some are official recreation areas; others are informal gravel bars. Read the access and safety sections on each listing — never assume collecting is allowed without checking current signage.

For trip planning beyond this filter, browse the full Connecticut state page, our guides, or use near me to sort by distance from your location.

How we research listings · Report a correction · Safety disclaimer

Aldrich Park — quartz rockhounding site near Connecticut, CT

QuartzCT

Aldrich Park

Aldrich Park is a documented mineral occurrence near CT. Reported specimens include Quartz. Verify land access and collecting rules before visiting.

Fee variesConnecticut

Bantam Lake — quartz rockhounding site near Connecticut, CT

QuartzCT

Bantam Lake

Bantam Lake is a documented mineral occurrence near CT. Reported specimens include Rose Quartz. Verify land access and collecting rules before visiting.

Fee variesConnecticut

Canton — amethyst rockhounding site near Connecticut, CT

AmethystCT

Canton

Canton is a documented mineral occurrence near CT. Reported specimens include Amethyst. Verify land access and collecting rules before visiting.

Fee variesConnecticut

Case Quarries — pegmatite rockhounding site near Portland, CT

PegmatiteCT

Case Quarries

Portland pegmatite district Case Quarries yielded beryl and rare uranium minerals in the Connecticut River Valley.

Fee variesPortland

Cinque Quarry — amethyst rockhounding site near Connecticut, CT

AmethystCT

Cinque Quarry

Cinque Quarry is a documented mineral occurrence near CT. Reported specimens include Amethyst, Smoky Quartz. Verify land access and collecting rules before visiting.

Fee variesConnecticut

Gillette Quarry — pegmatite rockhounding site near Haddam, CT

PegmatiteCT

Gillette Quarry

Gillette Quarry in Haddam Neck is a classic Connecticut pegmatite locality famous for amazonite and large quartz crystals.

Fee variesHaddam

Hale’s Brook Quarries — beryl rockhounding site near Connecticut, CT

BerylCT

Hale’s Brook Quarries

Hale’s Brook Quarries is a documented mineral occurrence near CT. Reported specimens include Beryl, Pegmatite. Verify land access and collecting rules before visiting.

Fee variesConnecticut

Hubbard Park — quartz rockhounding site near Connecticut, CT

QuartzCT

Hubbard Park

Hubbard Park is a documented mineral occurrence near CT. Reported specimens include Quartz. Verify land access and collecting rules before visiting.

Fee variesConnecticut

Meriden — quartz rockhounding site near Connecticut, CT

QuartzCT

Meriden

Meriden is a documented mineral occurrence near CT. Reported specimens include Quartz, Amethyst, Calcite, Gypsum. Verify land access and collecting rules before visiting.

Fee variesConnecticut

New Haven Traprock Quarry — amethyst rockhounding site near Connecticut, CT

AmethystCT

New Haven Traprock Quarry

New Haven Traprock Quarry is a documented mineral occurrence near CT. Reported specimens include Amethyst. Verify land access and collecting rules before visiting.

Fee variesConnecticut

Old Simpson Quarry — aquamarine rockhounding site near Connecticut, CT

AquamarineCT

Old Simpson Quarry

Old Simpson Quarry is a documented mineral occurrence near CT. Reported specimens include Aquamarine, Smokey Quartz. Verify land access and collecting rules before visiting.

Fee variesConnecticut

Riverside Quarry — aquamarine rockhounding site near Connecticut, CT

AquamarineCT

Riverside Quarry

Riverside Quarry is a documented mineral occurrence near CT. Reported specimens include Aquamarine, Beryl. Verify land access and collecting rules before visiting.

Fee variesConnecticut

Roebling Mine — aquamarine rockhounding site near Connecticut, CT

AquamarineCT

Roebling Mine

Roebling Mine is a documented mineral occurrence near CT. Reported specimens include Aquamarine, Beryl, Biotite, Feldspar, Garnet, Smokey Quartz, Muscovite, Tourmaline. Verify land access and collecting rules before visiting.

Fee variesConnecticut

Slocum Prospect — beryl rockhounding site near Connecticut, CT

BerylCT

Slocum Prospect

Slocum Prospect is a documented mineral occurrence near CT. Reported specimens include Beryl, Rose Quartz. Verify land access and collecting rules before visiting.

Fee variesConnecticut

Strickland Quarry — pegmatite rockhounding site near Portland, CT

PegmatiteCT

Strickland Quarry

Strickland Quarry near Portland produced elbaite tourmaline and beryl crystals from one of New England's richest pegmatites.

Fee variesPortland

Tolland — quartz rockhounding site near Connecticut, CT

QuartzCT

Tolland

Tolland is a documented mineral occurrence near CT. Reported specimens include Rose Quartz, Staurolite. Verify land access and collecting rules before visiting.

Fee variesConnecticut

Vernon — quartz rockhounding site near Connecticut, CT

QuartzCT

Vernon

Vernon is a documented mineral occurrence near CT. Reported specimens include Rose Quartz, Staurolite. Verify land access and collecting rules before visiting.

Fee variesConnecticut

White Rocks Quarry — beryl rockhounding site near Connecticut, CT

BerylCT

White Rocks Quarry

White Rocks Quarry is a documented mineral occurrence near CT. Reported specimens include Beryl, Tourmaline. Verify land access and collecting rules before visiting.

Fee variesConnecticut