Where to Find Amethyst in New Jersey
New Jersey has 10 mapped collecting spots that report amethyst, spread across 5 counties. The largest share sits in Hudson County with 4 spots. 9 of the spots are on land mapped as publicly accessible.
Every amethyst spot we track in New Jersey
Pompton LakesPassaic County, New JerseyPublic access · Banded Agate, Amethyst, Barite +12
Prospect Park QuarryPassaic County, New JerseyPublic access · Banded Agate, Amethyst, Barite +12
Bergen Hill by Hudson RiverHudson County, New JerseyPermission required · Banded Agate, Albite, Amethyst +11
General Area (Hudson/Passaic)Hudson County, New JerseyPublic access · Banded Agate, Albite, Amethyst +11
Snake HillHudson County, New JerseyPublic access · Banded Agate, Albite, Amethyst +11
The PalisadesBergen County, New JerseyPublic access · Banded Agate, Albite, Amethyst +11
Warren TownshipSomerset County, New JerseyPublic access · Banded Agate, Moss Agate, Chalcedony +6
Bergen CountyBergen County, New JerseyPublic access · Agate, Amethyst, Carnelian +5
HobokenHudson County, New JerseyPublic access · Agate, Amethyst, Common Opal +3
Houdaille QuarryUnion County, New JerseyPublic access · Agate, Prehnite, Amethyst
Best counties for amethyst in New Jersey
Ranked by the number of mapped amethyst spots. County links open the full rockhounding page for that county.
- Hudson County4 spots
- Bergen County2 spots
- Passaic County2 spots
- Somerset County1 spot
- Union County1 spot
Before you go
Read the amethyst identification guide so you know what a keeper looks like in the field: Amethyst in the encyclopedia.
Amethyst in New Jersey FAQ
Where can you find amethyst in New Jersey?+
The mapped spots concentrate in Hudson County, Bergen County, and Passaic County. Every spot on this page is on the map, and each spot's own page has its coordinates and access notes.
How many amethyst spots are mapped in New Jersey?+
10 spots across 5 counties. The RockHoundR app keeps the same spots on an offline map with public land overlays, geology layers, and your saved finds.
Is it legal to collect amethyst in New Jersey?+
Hand collecting of common rocks and minerals in small amounts for personal use is generally allowed on BLM and U.S. Forest Service land, with limits set by the local field office. National parks, most state parks, and tribal land are closed to collecting. 9 of the 10 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
