Norristown: Fluorescent Calcite & Fluorite Rockhounding in Shelby County, Indiana

Updated June 2026

Norristown is a mapped rockhounding spot in Shelby County, Indiana. Reported finds include fluorescent calcite, fluorite, marcasite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Shelby County
State: Indiana
Nearest road: Old State Road 252
Postcode: 47234
Coordinates: 39.36280, -85.77399

Geology at Norristown

This spot sits on Muscatatuck Group, mapped as limestone and dolostone that formed roughly 420 to 360 million years ago. Carbonate rock like this is the classic host for lead, zinc, and fluorite mineralization, which typically follows old cavities and replacement zones.

Mapped unit: Muscatatuck Group
Age: 420–360 Ma (Devonian)
Rock types: limestone and dolostone
Elevation: 730 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 Norristown

Best months: March to November. Typical highs run 85°F in midsummer and 36°F in midwinter, with winter lows near 20°F.

Climate normals: NOAA 1991-2020 monthlies, SHELBYVILLE SEWAGE PLT station (11 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 Norristown

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 Norristown.

Across the state line from Norristown

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

Norristown FAQ

Where is Norristown?+

Norristown is in Shelby County, Indiana, at 39.36280, -85.77399. Nearest road: Old State Road 252.

What rocks and minerals can you find at Norristown?+

Norristown is reported to produce Fluorescent Calcite, Fluorite, Marcasite.

Is collecting allowed at Norristown?+

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 Norristown?+

A rock hammer, gloves, and safety glasses cover old mining-district ground. Stay out of shafts and adits; the best specimens typically come from dump piles.

When is the best time to visit Norristown?+

The most comfortable months at Norristown are March to November.

How do I get to Norristown?+

Open the directions link to navigate to 39.36280, -85.77399 in Google Maps. The nearest road is Old State Road 252.

More rockhounding in Indiana

See all 33 Indiana spots →

Open Norristown on the map

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