Lithonia: Calcite & Epidote Rockhounding in DeKalb County, Georgia

Updated June 2026

Lithonia is a mapped rockhounding spot in DeKalb County, Georgia. Reported finds include calcite, epidote, fluorite, garnet, thulite, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: DeKalb County
State: Georgia
Nearest road: Rogers Lake Road
Postcode: 30058
Coordinates: 33.72969, -84.09963

Geology at Lithonia

This spot sits on Granitic Gneiss undifferentiated, mapped as gneiss that formed roughly 4600 to 250 million years ago. Metamorphic belts like this often host pegmatite dikes, the coarse-crystal bodies that typically carry beryl, tourmaline, and sheet mica.

Mapped unit: Granitic Gneiss undifferentiated
Age: 4600–250 Ma (Precambrian to Paleozoic)
Rock types: gneiss
Elevation: 910 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 Lithonia

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 Lithonia.

Lithonia FAQ

Where is Lithonia?+

Lithonia is in DeKalb County, Georgia, at 33.72969, -84.09963. Nearest road: Rogers Lake Road.

What rocks and minerals can you find at Lithonia?+

Lithonia is reported to produce Calcite, Epidote, Fluorite, Garnet, Thulite, Tourmaline, Zeolite.

Is collecting allowed at Lithonia?+

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 Lithonia?+

A rock hammer, a pry bar, gloves, and safety glasses suit pegmatite ground. Work weathered zones and check dump piles; coarse crystals often sit in decomposed rock.

How do I get to Lithonia?+

Open the directions link to navigate to 33.72969, -84.09963 in Google Maps. The nearest road is Rogers Lake Road.

More rockhounding in Georgia

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Open Lithonia on the map

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