Where to Find Marcasite in Indiana
Indiana has 8 mapped collecting spots that report marcasite, spread across 8 counties. The largest share sits in Bartholomew County County with 1 spot. 8 of the spots are on land mapped as publicly accessible.
Map of 8 marcasite collecting spots in Indiana
Best counties for marcasite in Indiana
Ranked by the number of mapped marcasite spots. County links open the full rockhounding page for that county.
- Bartholomew County1 spot
- Brown County1 spot
- Huntington County1 spot
- Knox County1 spot
- Parke County1 spot
- Shelby County1 spot
- Warren County1 spot
- Wells County1 spot
Every marcasite spot we track in Indiana
Sorted by county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| ElizabethtownCounty Road South 750 East | Bartholomew County | 39.1659, -85.7778 | Public | |
| Brown County State ParkSR 46 | Brown County | 39.1780, -86.2698 | Public | |
| HuntingtonCounty Road 400 North | Huntington County |
| 40.8916, -85.4650 | Public |
| BicknellGrundman Road | Knox County | 38.7293, -87.4136 | Public | |
| Parke CountyMarshall Road | Parke County | 39.7728, -87.2137 | Public | |
| NorristownOld State Road 252 | Shelby County | 39.3628, -85.7740 | Public | |
| Big Pine CreekWest Briscoe Road | Warren County |
| 40.4100, -87.3433 | Public |
| BlufftonEast 200 North | Wells County | 40.7694, -85.1845 | Public |
Before you go
Read the marcasite identification guide so you know what a keeper looks like in the field: Marcasite in the encyclopedia.
Marcasite in Indiana FAQ
Where can you find marcasite in Indiana?+
The mapped spots concentrate in Bartholomew County County, Brown County County, and Huntington County County. Every spot on this page appears on the map above with coordinates and access notes.
How many marcasite spots are mapped in Indiana?+
8 spots across 8 counties. The RockHoundR app keeps the same spots on an offline map with public land overlays, geology layers, and your saved finds.
Is it legal to collect marcasite in Indiana?+
Hand collecting of common rocks and minerals in small amounts for personal use is generally allowed on BLM and U.S. Forest Service land, with limits set by the local field office. National parks, most state parks, and tribal land are closed to collecting. 8 of the 8 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
