Where to Find Silicified Agate in the United States

1 mapped silicified agate spots across 1 U.S. states. Silicified Agate is reported at multiple rockhounding spots across the United States. The map below shows where collectors most often find it on legal public ground.

Map showing where to find silicified agate across the United States, with 1 mapped spots

Top states for silicified agate

States ranked by number of silicified agate spots in our database. States in bold link to a focused silicified agate-in-state list.

Every silicified agate spot we track

Sorted by state and county. Coordinates open in Google Maps.

SpotCountyMineralsCoordinatesAccess
Fort BridgerUinta County41.3329, -110.3712Public

Silicified Agate rockhounding FAQ

Where is the best place to find silicified agate in the U.S.?+
Wyoming have the highest concentrations of silicified agate in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many silicified agate rockhounding spots does RockHoundR track?+
1 mapped spots across 1 states. The app keeps these on a map alongside your private finds.
Can I legally collect silicified agate on public land?+
Casual hand collecting of common rocks and minerals like silicified agate is allowed on most BLM and U.S. Forest Service land, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always check with the managing agency before a trip.
How do I identify silicified agate in the field?+
Field identification of silicified agate comes down to color, hardness, fracture, and luster. The RockHoundR app links to geology details for each spot to help narrow down what you might be picking up.

Hunt silicified agate on the map

Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.

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