Huntington: Calcite & Marcasite Rockhounding in Huntington County, Indiana
Updated June 2026
Huntington is a mapped rockhounding spot in Huntington County, Indiana. Reported finds include calcite, marcasite, pyrite, quartz geode, sphalerite. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Huntington in Huntington County, Indiana
Quick details
- Access
- Public area
- County
- Huntington County
- State
- Indiana
- Nearest road
- County Road 400 North
- Postcode
- 46750
- Coordinates
- 40.89158, -85.46505
Geology at Huntington
This spot sits on Wabash Formation, mapped as limestone and dolostone that formed roughly 445 to 420 million years ago. Limestone country like this is classic geode ground: cavities in the carbonate rock can line themselves with quartz or calcite crystals.
- Mapped unit
- Wabash Formation
- Age
- 445–420 Ma (Silurian)
- Rock types
- limestone and dolostone
- Elevation
- 770 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 Huntington
Best months: March to November. Typical highs run 84°F in midsummer and 33°F in midwinter, with winter lows near 17°F.
Climate normals: NOAA 1991-2020 monthlies, HUNTINGTON station (3 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 Huntington
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 Huntington.
- BlufftonWells County, Indiana · 17 mi awayDolomite, Marcasite, Pyrite
- Maumee RiverTop pick in IndianaAllen County, Indiana · 23 mi awayAgate, Jasper, Fossilized Coral
- Fort WayneAllen County, Indiana · 23 mi awayAgate, Jasper
- ErieWabash County, Indiana · 24 mi awayGeode
- LogansportCass County, Indiana · 45 mi awayApatite, Calcite, Pyrite
- Williams CreekMarion County, Indiana · 78 mi awayAmethyst, Quartz
- IndianapolisMarion County, Indiana · 90 mi awayMoonstone
- Washington Park BeachTop pick in IndianaLaPorte County, Indiana · 95 mi awayAgate, Beach Glass, Leland Blue
