Hogg Mine: Amethyst & Aquamarine Rockhounding in Troup County, Georgia

Updated June 2026

Hogg Mine is a mapped rockhounding spot in Troup County, Georgia. Reported finds include amethyst, aquamarine, beryl, garnet, mica, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Troup County
State: Georgia
Nearest road: Whitesville Street
Postcode: 30240
Coordinates: 32.99105, -85.02975

Geology at Hogg Mine

This spot sits on Mica Schist/ Gneiss/ Amphibolite, mapped as gneiss, mica schist, and amphibolite that formed roughly 4600 to 250 million years ago. Metamorphic terrain like this typically carries quartz veins and sweats, and weathered crystals tend to end up in the soils and streams below.

Mapped unit: Mica Schist/ Gneiss/ Amphibolite
Age: 4600–250 Ma (Precambrian to Paleozoic)
Rock types: gneiss, mica schist, and amphibolite
Elevation: 750 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 Hogg Mine

Best months: August to June. Typical highs run 91°F in midsummer and 56°F in midwinter, with winter lows near 34°F.

Climate normals: NOAA 1991-2020 monthlies, LA GRANGE 1N station (4 mi away).

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 Hogg Mine

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 Hogg Mine.

Across the state line from Hogg Mine

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

Hogg Mine FAQ

Where is Hogg Mine?+

Hogg Mine is in Troup County, Georgia, at 32.99105, -85.02975. Nearest road: Whitesville Street.

What rocks and minerals can you find at Hogg Mine?+

Hogg Mine is reported to produce Amethyst, Aquamarine, Beryl, Garnet, Mica, Quartz, Tourmaline.

Is collecting allowed at Hogg Mine?+

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.

What tools should I bring to Hogg Mine?+

A rock hammer, a small pry bar, gloves, and safety glasses cover most crystal ground. A screen helps in loose pocket soil, and newspaper protects points on the way out.

When is the best time to visit Hogg Mine?+

The most comfortable months at Hogg Mine are August to June.

How do I get to Hogg Mine?+

Open the directions link to navigate to 32.99105, -85.02975 in Google Maps. The nearest road is Whitesville Street.

More rockhounding in Georgia

See all 97 Georgia spots →

Open Hogg Mine on the map

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