Where to Find Pyrite in Illinois
Illinois has 7 mapped collecting spots that report pyrite, spread across 5 counties. The largest share sits in Hancock County County with 3 spots. 7 of the spots are on land mapped as publicly accessible.
Map of 7 pyrite collecting spots in Illinois
Best counties for pyrite in Illinois
Ranked by the number of mapped pyrite spots. County links open the full rockhounding page for that county.
- Hancock County3 spots
- Grundy County1 spot
- Hardin County1 spot
- Kane County1 spot
- Randolph County1 spot
Every pyrite spot we track in Illinois
Sorted by county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| East BrooklynSouth Kankakee Road | Grundy County | 41.1666, -88.2450 | Public | |
| Crystal Glen CreekNorth County Road 700 | Hancock County | 40.3714, -91.3755 | Public | |
| Hamilton QuarrySouth 2nd Street | Hancock County | 40.3822, -91.3554 | Public | |
| Spillman CreekNorth County Road 1540 | Hancock County | 40.6163, -91.2030 | Public | |
| Cave-In RockHastie Mine Road | Hardin County | 37.5032, -88.2052 | Public | |
| North AuroraConco Street | Kane County | 41.8029, -88.3195 | Public | |
| SpartaUnion Road | Randolph County | 38.0778, -89.7285 | Public |
Before you go
Read the pyrite identification guide so you know what a keeper looks like in the field: Pyrite in the encyclopedia.
Pyrite in Illinois FAQ
Where can you find pyrite in Illinois?+
The mapped spots concentrate in Hancock County County, Grundy County County, and Hardin County County. Every spot on this page appears on the map above with coordinates and access notes.
How many pyrite spots are mapped in Illinois?+
7 spots across 5 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 pyrite in Illinois?+
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. 7 of the 7 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
