Dexter — Rockhounding in New Madrid County, Missouri

Dexter is a mapped rockhounding spot in New Madrid County, Missouri. Reported finds include chert, blue agate, gray agate, pink agate, white agate. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: New Madrid County
State: Missouri
Nearest road: MO D
Postcode: 63870
Coordinates: 36.61429, -89.96237

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 Dexter

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

Nearby rockhounding spots

Other rockhounding spots within driving distance of Dexter.

Across the state line from Dexter

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

Dexter FAQ

Where is Dexter?+

Dexter is in New Madrid County, Missouri, at 36.61429, -89.96237. Nearest road: MO D.

What rocks and minerals can you find at Dexter?+

Dexter is reported to produce Chert, Blue Agate, Gray Agate, Pink Agate, White Agate.

Is collecting allowed at Dexter?+

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.

How do I get to Dexter?+

Open the directions link to navigate to 36.61429, -89.96237 in Google Maps. The nearest road is MO D.

More rockhounding in Missouri

See all 94 Missouri spots →

Open Dexter on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.