Where to Find Marcasite in Missouri
19 mapped marcasite rockhounding spots in Missouri, across 15 counties. Marcasite is reported at multiple rockhounding spots across the United States.
Map of 19 marcasite rockhounding spots in Missouri
Marcasite by county in Missouri
Counties ranked by number of marcasite spots in our database.
- Crawford County4 spots
- Boone County2 spots
- Franklin County1 spot
- Greene County1 spot
- Iron County1 spot
- Jackson County1 spot
- Jefferson County1 spot
- Laclede County1 spot
- Lincoln County1 spot
- Madison County1 spot
- Moniteau County1 spot
- Phelps County1 spot
- Ralls County1 spot
- Saint Charles County1 spot
- Washington County1 spot
Every marcasite spot in Missouri
Sorted by county. Coordinates open in Google Maps. Click a row for details.
Marcasite in Missouri FAQ
Where can I find marcasite in Missouri?+
RockHoundR tracks 19 marcasite spots in Missouri, spread across 15 counties. The strongest concentration is in Crawford County.
Is collecting marcasite legal in Missouri?+
Casual hand collection of common rocks and minerals like marcasite is allowed on most BLM and U.S. Forest Service land in Missouri, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always confirm rules before a trip.
What is the best marcasite location in Missouri?+
Crawford County has the most marcasite spots in our database for Missouri. The full county breakdown is below — different counties produce different qualities and varieties.
