Where to Find Fire Opal in New Jersey
New Jersey has 6 mapped collecting spots that report fire opal, spread across 2 counties. The largest share sits in Hudson County with 4 spots. 5 of the spots are on land mapped as publicly accessible.
Every fire opal spot we track in New Jersey
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
- Bergen CountyBergen County, New JerseyPublic access · Agate, Amethyst, Carnelian +5
- HobokenHudson County, New JerseyPublic access · Agate, Amethyst, Common Opal +3
Best counties for fire opal in New Jersey
Ranked by the number of mapped fire opal spots. County links open the full rockhounding page for that county.
- Hudson County4 spots
- Bergen County2 spots
Before you go
Read the fire opal identification guide so you know what a keeper looks like in the field: Fire Opal in the encyclopedia.
Fire Opal in New Jersey FAQ
Where can you find fire opal in New Jersey?+
The mapped spots concentrate in Hudson County and Bergen County. Every spot on this page is on the map, and each spot's own page has its coordinates and access notes.
How many fire opal spots are mapped in New Jersey?+
6 spots across 2 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 fire opal 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. 5 of the 6 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
More minerals to hunt in New Jersey
Hunt fire opal in New Jersey with the map in your pocket
RockHoundR puts these spots on an offline map with BLM and Forest Service overlays, geology layers, and a log for your finds.
