Beckham County: Alabaster & Selenite Rockhounding in Greer County, Oklahoma

Updated June 2026

Beckham County is a mapped rockhounding spot in Greer County, Oklahoma. Reported finds include alabaster, selenite, petrified wood. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Check locally
County: Greer County
State: Oklahoma
Nearest road: CR E1400
Postcode: 73547
Coordinates: 34.98936, -99.41463

Geology at Beckham County

This spot sits on Hennessey Group, mapped as shale that formed roughly 300 to 250 million years ago. Sedimentary beds like these are the typical host for petrified and silicified wood, which weathers out as durable float on slopes and in washes.

Mapped unit: Hennessey Group
Age: 300–250 Ma (Permian)
Rock types: shale
Elevation: 1,790 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 Beckham County

Best months: September to June. Typical highs run 94°F in midsummer and 51°F in midwinter, with winter lows near 25°F.

Climate normals: NOAA 1991-2020 monthlies, MANGUM station (8 mi away), adjusted for elevation.

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 Beckham County

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 Beckham County.

Across the state line from Beckham County

Beckham County 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.

General AreaChildress County, Texas · 47 mi awayAlabaster

Beckham County FAQ

Where is Beckham County?+

Beckham County is in Greer County, Oklahoma, at 34.98936, -99.41463. Nearest road: CR E1400.

What rocks and minerals can you find at Beckham County?+

Beckham County is reported to produce Alabaster, Selenite, Petrified Wood.

Is collecting allowed at Beckham County?+

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 Beckham County?+

A rock hammer, sturdy gloves, and a padded bag cover petrified wood hunting. Most pieces are surface float, so walking slopes and washes beats digging.

When is the best time to visit Beckham County?+

The most comfortable months at Beckham County are September to June.

How do I get to Beckham County?+

Open the directions link to navigate to 34.98936, -99.41463 in Google Maps. The nearest road is CR E1400.

More rockhounding in Oklahoma

See all 36 Oklahoma spots →

Open Beckham County on the map

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