Rockhounding in Middlesex County, New Jersey
1 mapped rockhounding spot in Middlesex County. Most commonly produces marcasite, petrified wood, pyrite.
Map showing 1 rockhounding spot in Middlesex County, New Jersey
Minerals reported in Middlesex County
Spots in Middlesex County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| SayrevilleBordentown Avenue | 40.4387, -74.3298 | Public |
Other rockhounding counties in New Jersey
- Morris County11 spotsTop: Pyrite, Apatite, Chalcopyrite
- Somerset County9 spotsTop: Quartz, Agate, Prehnite
- Sussex County6 spotsTop: Fluorite, Willemite, Corundum
- Gloucester County5 spotsTop: Amber, Fossils
- Hunterdon County5 spotsTop: Axinite, Datolite, Actinolite
- Mercer County5 spotsTop: Calcite, Amber, Axinite
Middlesex County FAQ
Where can I rockhound in Middlesex County, New Jersey?+
RockHoundR tracks 1 rockhounding spot in Middlesex County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Middlesex County?+
Spots in Middlesex County most often produce Marcasite, Petrified Wood, Pyrite. Individual spots can vary widely.
Are these Middlesex 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 Middlesex County rockhounding trip
Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.
