Indianapolis — Rockhounding in Marion County, Indiana

Indianapolis is a mapped rockhounding spot in Marion County, Indiana. Reported finds include moonstone. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Marion County
State: Indiana
Nearest road: South Harding Street
Postcode: 46217
Coordinates: 39.70946, -86.20313

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 Indianapolis

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

Moonstone Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Indianapolis.

Indianapolis FAQ

Where is Indianapolis?+

Indianapolis is in Marion County, Indiana, at 39.70946, -86.20313. Nearest road: South Harding Street.

What rocks and minerals can you find at Indianapolis?+

Indianapolis is reported to produce Moonstone.

Is collecting allowed at Indianapolis?+

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.

How do I get to Indianapolis?+

Open the directions link to navigate to 39.70946, -86.20313 in Google Maps. The nearest road is South Harding Street.

More rockhounding in Indiana

See all 32 Indiana spots →

Open Indianapolis on the map

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