Where to Find Marcasite in Indiana
Indiana has 8 mapped collecting spots that report marcasite, spread across 8 counties. 8 of the spots are on land mapped as publicly accessible.
Every marcasite spot we track in Indiana
Best spotBig Pine CreekWarren County, IndianaPublic access · Sphalerite, Barite, Fossilized Wood +3
HuntingtonHuntington County, IndianaPublic access · Calcite, Marcasite, Pyrite +2- Parke CountyParke County, IndianaPublic access · Goethite, Marcasite, Pyrite +2
- Brown County State ParkBrown County, IndianaPublic access · Geode, Marcasite, Aragonite +1
- BlufftonWells County, IndianaPublic access · Dolomite, Marcasite, Pyrite
- ElizabethtownBartholomew County, IndianaPublic access · Fluorescent Calcite, Fluorite, Marcasite
- NorristownShelby County, IndianaPublic access · Fluorescent Calcite, Fluorite, Marcasite
- BicknellKnox County, IndianaPublic access · Marcasite, Pyrite
Standout marcasite spots in Indiana
Hand-picked from the full list above, with the reason each one earns a trip.
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
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, Brown County, and Huntington County. Every spot on this page is on the map, and each spot's own page has its 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.
Where else to find marcasite
More minerals to hunt in Indiana
Hunt marcasite in Indiana with the map in your pocket
RockHoundR puts these spots on an offline map with BLM and Forest Service overlays, geology layers, and a log for your finds.
