Hamilton Quarry — Rockhounding in Hancock County, Illinois
Hamilton Quarry is a mapped rockhounding spot in Hancock County, Illinois. Reported finds include geode, pyrite, calcite, sphalerite. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Hamilton Quarry in Hancock County, Illinois
Quick details
- Access
- Public area
- County
- Hancock County
- State
- Illinois
- Nearest road
- South 2nd Street
- Postcode
- 62341
- Coordinates
- 40.38220, -91.35544
Land & collecting status
Generally open to casual rockhounding
Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.
Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.
Sources & verification
Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.
Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.
Found at Hamilton Quarry
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
Nearby rockhounding spots
Other rockhounding spots within driving distance of Hamilton Quarry.
- HamiltonHancock County, Illinois · 1 mi awayAgate, Jasper, Geode
- Mississippi River (near Hamilton)Hancock County, Illinois · 1 mi awayGeode, Amethyst, Quartz
- Crystal Glen CreekHancock County, Illinois · 1 mi awayGeode, Barite, Calcite
- NauvooHancock County, Illinois · 10 mi awayGeode
- Tyson CreekHancock County, Illinois · 15 mi awayGeode
- NiotaHancock County, Illinois · 16 mi awayFossils, Geode
- Spillman CreekHancock County, Illinois · 18 mi awayGeode, Pyrite, Chalcedony
- Dallas CityHancock County, Illinois · 20 mi awayGeode, Calcite, Malachite
Across the state line from Hamilton Quarry
Hamilton Quarry is close enough to the Illinois border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- Hamilton (west)Lee County, Iowa · 1 mi awayGeode
- KeokukLee County, Iowa · 5 mi awayKeokuk Geode, Calcite, Chalcedony
- Alexandria & WaylandClark County, Missouri · 8 mi awayGeode
- St. FrancisvilleClark County, Missouri · 13 mi awayGeode, Barite, Calcite
- Fox CityClark County, Missouri · 15 mi awayGeode, Calcite
- KahokaClark County, Missouri · 19 mi awayGeode
