Best spot

Rockport: Amazonite Rockhounding in Essex County, Massachusetts

Updated July 2026

Rockport sits on the Cape Ann granite, a coarse pluton whose miarolitic pockets and pegmatites carry blue-green amazonite (microcline), smoky quartz, and the sodium amphibole riebeckite. The town is also the type locality for the minerals annite and danalite. The historic Babson Farm quarry at Halibut Point State Park exposes the granite along a public shore where loose specimens weather out onto the ledges and cobble beach. Reported finds include amazonite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Rockport photos

Public image records connected to this spot or its reported material.

1 photo

The flooded Babson Farm granite quarry at Halibut Point State Park, Rockport, Essex County, Massachusetts, with the Atlantic on the horizon

Quick details

Access: Public area
County: Essex County
State: Massachusetts
Nearest road: Garfield Avenue
Postcode: 01966
Coordinates: 42.69011, -70.63333

Geology at Rockport

This spot sits on ground mapped as Cape Ann Granite, alkali-feldspar granite that formed roughly 485 to 445 million years ago. Plutonic rock like this weathers slowly into grus and boulders, and the most productive collecting is typically in weathered zones and drainages.

Mapped unit: Cape Ann Granite, alkali-feldspar granite
Age: 485–445 Ma (Ordovician)
Elevation: 80 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Best time to visit Rockport

Best months: March to November. Typical highs run 80°F in midsummer and 37°F in midwinter, with winter lows near 18°F.

Climate normals: NOAA 1991-2020 monthlies, BEVERLY station (13 mi away).

Land & collecting status

Generally open to casual rockhounding

Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.

Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.

Sources & verification

Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Rockport

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Amazonite Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Rockport.

Across the state line from Rockport

Rockport is close enough to the Massachusetts border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Rockport FAQ

Where is Rockport?+

Rockport is in Essex County, Massachusetts, at 42.69011, -70.63333. Nearest road: Garfield Avenue.

What rocks and minerals can you find at Rockport?+

Rockport is reported to produce Amazonite.

Is collecting allowed at Rockport?+

Generally open to casual rockhounding. Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Rockport?+

A rock hammer, sturdy gloves, safety glasses, and a collecting bag cover the basics here. Add a spray bottle: wet rock shows color and pattern that dry rock hides.

When is the best time to visit Rockport?+

The most comfortable months at Rockport are March to November.

How do I get to Rockport?+

Open the directions link to navigate to 42.69011, -70.63333 in Google Maps. The nearest road is Garfield Avenue.

More rockhounding in Massachusetts

See all 45 Massachusetts spots →

Open Rockport on the map

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