Where to Find Prehnite in New Jersey
9 mapped prehnite rockhounding spots in New Jersey, across 5 counties. Prehnite is reported at multiple rockhounding spots across the United States.
Map of 9 prehnite rockhounding spots in New Jersey
Prehnite by county in New Jersey
Counties ranked by number of prehnite spots in our database.
Every prehnite spot in New Jersey
Sorted by county. Coordinates open in Google Maps. Click a row for details.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Mt. GilboaDaniel Bray Highway | Hunterdon County |
| 40.3898, -74.9562 | Public |
| Morris CountyCayuga Avenue | Morris County | 40.9360, -74.5232 | Public | |
| Pompton LakesI 287 | Passaic County | 41.0054, -74.3071 | Public | |
| Prospect Park QuarryNorth 16th Street | Passaic County | 40.9404, -74.1748 | Public | |
| Bound BrookFire Road | Somerset County | 40.5890, -74.5678 | Public | |
| HopewellLong Hill Road | Somerset County | 40.4578, -74.7207 | Public | |
| KingstonGeorgetown-Franklin Turnpike | Somerset County | 40.3971, -74.6095 | Public | |
| Rock Hill QuarryGeorgetown-Franklin Turnpike | Somerset County | 40.3969, -74.6168 | Public | |
| Houdaille QuarryPhillipsburg-Newark Expressway | Union County | 40.7100, -74.3348 | Public |
Prehnite in New Jersey FAQ
Where can I find prehnite in New Jersey?+
RockHoundR tracks 9 prehnite spots in New Jersey, spread across 5 counties. The strongest concentration is in Somerset County.
Is collecting prehnite legal in New Jersey?+
Casual hand collection of common rocks and minerals like prehnite is allowed on most BLM and U.S. Forest Service land in New Jersey, 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 prehnite location in New Jersey?+
Somerset County has the most prehnite spots in our database for New Jersey. The full county breakdown is below — different counties produce different qualities and varieties.
Other states for prehnite
Other minerals to find in New Jersey
Hunt prehnite in New Jersey on the map
Open RockHoundR for live land overlays, weather, geology, and saved spots.
