Columbia: Amethyst Rockhounding in Lexington County, South Carolina

Quick details

Access

Public area

County

Lexington County

State

South Carolina

Nearest road

Collins Court

Postcode

29002

Coordinates

34.07847, -81.23931

Geology at Columbia

This spot sits on Persimmon Fork Formation, mapped as metavolcanic that formed roughly 1000 to 485 million years ago. Cavities and seams in volcanic rock like this are the kind of setting where quartz and amethyst crystals tend to grow.

Mapped unit

Persimmon Fork Formation

Age

1000–485 Ma (Neoproterozoic to Cambrian)

Rock types

metavolcanic

Elevation

430 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.

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 Columbia

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

• AmethystEncyclopedia →