Where to Find Moss Agate in Texas
3 mapped moss agate rockhounding spots in Texas, across 2 counties. Moss agate is translucent chalcedony with mineral inclusions that look like ferns or moss. Texas rockhounding spans agate fields in the Big Bend region, petrified palm wood across the south and east, and limestone fossils across most of the state.
Map of 3 moss agate rockhounding spots in Texas
Moss Agate by county in Texas
Counties ranked by number of moss agate spots in our database.
Every moss agate spot in Texas
Sorted by county. Coordinates open in Google Maps. Click a row for details.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| General AreaCalamity Creek Road | Brewster County |
| 30.1676, -103.5948 | Public |
| W side of Glass Mountains | Brewster County |
| 30.3704, -103.4002 | Public |
| MathisSouth State Highway 359 | San Patricio County | 28.0383, -97.8598 | Public |
Moss Agate in Texas FAQ
Where can I find moss agate in Texas?+
RockHoundR tracks 3 moss agate spots in Texas, spread across 2 counties. The strongest concentration is in Brewster County.
Is collecting moss agate legal in Texas?+
Casual hand collection of common rocks and minerals like moss agate is allowed on most BLM and U.S. Forest Service land in Texas, 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 moss agate location in Texas?+
Brewster County has the most moss agate spots in our database for Texas. The full county breakdown is below — different counties produce different qualities and varieties.
Other states for moss agate
Hunt moss agate in Texas on the map
Open RockHoundR for live land overlays, weather, geology, and saved spots.
