Where to Find Gray Agate in the United States
1 mapped gray agate spots across 1 U.S. states. Gray 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 gray agate across the United States, with 1 mapped spots
Top states for gray agate
States ranked by number of gray agate spots in our database. States in bold link to a focused gray agate-in-state list.
Every gray agate spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| DexterMO D | New Madrid County |
| 36.6143, -89.9624 | Public |
Gray Agate rockhounding FAQ
Where is the best place to find gray agate in the U.S.?+
Missouri have the highest concentrations of gray agate in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many gray 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 gray agate on public land?+
Casual hand collecting of common rocks and minerals like gray 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 gray agate in the field?+
Field identification of gray 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 gray agate on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
