Randlett: Malachite Rockhounding in Cotton County, Oklahoma

Updated June 2026

Randlett is a mapped rockhounding spot in Cotton County, Oklahoma. Reported finds include malachite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Check locally
County: Cotton County
State: Oklahoma
Nearest road: County Road N2600
Coordinates: 34.16026, -98.35051

Geology at Randlett

This spot sits on Wellington Formation, mapped as shale, sandstone, and conglomerate that formed roughly 300 to 250 million years ago. Sedimentary rock like this erodes unevenly, so the most productive collecting is typically along fresh cuts, badland slopes, and active drainages.

Mapped unit: Wellington Formation
Age: 300–250 Ma (Permian)
Rock types: shale, sandstone, and conglomerate
Elevation: 950 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 Randlett

Best months: September to May. Typical highs run 97°F in midsummer and 53°F in midwinter, with winter lows near 27°F. Summer heat here is intense, so carry more water than you think you need and work the early morning.

Climate normals: NOAA 1991-2020 monthlies, WALTERS station (14 mi away).

Land & collecting status

Confirm rules before collecting

Land status here is not confirmed. Verify with the managing agency before collecting — federal, state, and tribal rules differ.

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 Randlett

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

Malachite Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Randlett.

Across the state line from Randlett

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

Randlett FAQ

Where is Randlett?+

Randlett is in Cotton County, Oklahoma, at 34.16026, -98.35051. Nearest road: County Road N2600.

What rocks and minerals can you find at Randlett?+

Randlett is reported to produce Malachite.

Is collecting allowed at Randlett?+

Confirm rules before collecting. Land status here is not confirmed. Verify with the managing agency before collecting — federal, state, and tribal rules differ. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Randlett?+

A rock hammer, gloves, and safety glasses are enough for oxidized copper ground. Look for green and blue staining on weathered rock and in old dump piles.

When is the best time to visit Randlett?+

The most comfortable months at Randlett are September to May. Summer heat here is intense, so carry more water than you think you need and work the early morning.

How do I get to Randlett?+

Open the directions link to navigate to 34.16026, -98.35051 in Google Maps. The nearest road is County Road N2600.

More rockhounding in Oklahoma

See all 36 Oklahoma spots →

Open Randlett on the map

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