Rockhounding in Jefferson County, Missouri
3 mapped rockhounding spots in Jefferson County. Most commonly produces sphalerite, calcite, calcite nodule, dolomite.
Every rockhounding spot in Jefferson County
ArnoldJefferson County, MissouriPublic access · Geode, Dolomite, Marcasite +3- Jefferson CountyJefferson County, MissouriPublic access · Calcite Nodule, Sphalerite
- De SotoJefferson County, MissouriPublic access · Fluorescent Calcite
Minerals reported in Jefferson County
Neighboring counties in Missouri
Adjacent rockhounding counties, ranked by how close their centroids sit to Jefferson County. A natural extension if Jefferson County is already on your trip plan.
- Saint Louis County~21 mi3 spotsTop: Calcite, Quartz, Barite
- Washington County~30 mi4 spotsTop: Calcite, Galena, Goethite
- Saint Charles County~31 mi4 spotsTop: Fluorite, Fossil, Yellow Calcite
- Crawford County~47 mi7 spotsTop: Pyrite, Hematite, Malachite
- Iron County~53 mi5 spotsTop: Hematite, Actinolite, Chalcopyrite
- Madison County~57 mi3 spotsTop: Actinolite, Aragonite, Azurite
Across the state line from Jefferson County
Rockhounding counties in neighboring states within driving range. Geology rarely respects state borders. These are often the closest mapped spots you can reach without going deeper into Missouri.
Jefferson County FAQ
Where can I rockhound in Jefferson County, Missouri?+
RockHoundR tracks 3 rockhounding spots in Jefferson County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Jefferson County?+
Spots in Jefferson County most often produce Sphalerite, Calcite, Calcite Nodule, Dolomite, Fluorescent Calcite. Individual spots can vary widely.
Are these Jefferson County rockhounding spots on public land?+
Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out, links in the app open the right BLM, USFS, or county pages.
Plan a Jefferson County rockhounding trip
Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.
