Abbeville County: Beryl & Corundum Rockhounding in Abbeville County, South Carolina

Plan your visit

Generally open to casual rockhounding

County

Abbeville County

State

South Carolina

Nearest road

Highway 28

Postcode

29655

Coordinates

34.20790, -82.41427

Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.

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.

Best time to visit Abbeville County

Comfortable months (45 to 90°F highs)

Best months: August to June. Typical highs run 91°F in midsummer and 54°F in midwinter, with winter lows near 32°F.

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

Geology at Abbeville County

This spot sits on Biotite quartz-plagioclase gneiss, mapped as biotite gneiss that formed roughly 1000 to 250 million years ago. Metamorphic rock like this weathers into resistant float, and minerals that survive transport typically concentrate in nearby drainages.

Mapped unit

Biotite quartz-plagioclase gneiss

Age

1000–250 Ma (Neoproterozoic to Paleozoic)

Rock types

biotite gneiss

Elevation

550 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.

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.

• South Carolina Geological Survey
• South Carolina State Parks rules
• Sumter and Francis Marion National Forests
• Community submissions reviewed against published agency rules