Where to Find Thenardite in the United States
5 mapped thenardite spots across 2 U.S. states. Thenardite 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 thenardite across the United States, with 5 mapped spots
Top states for thenardite
States ranked by number of thenardite spots in our database. States in bold link to a focused thenardite-in-state list.
Every thenardite spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Stanley | Mountrail County |
| 48.4033, -102.4808 | Public |
| Great Salt Lake | Box Elder County | 41.5245, -112.7833 | Public | |
| Great Salt Lake | Davis County | 40.8554, -112.1990 | Public | |
| Great Salt LakeSaltair Drive | Salt Lake County | 40.7467, -112.1950 | Public | |
| Great Salt Lake | Tooele County | 40.9768, -112.6824 | Public |
Thenardite rockhounding FAQ
Where is the best place to find thenardite in the U.S.?+
Utah, North Dakota have the highest concentrations of thenardite in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many thenardite rockhounding spots does RockHoundR track?+
5 mapped spots across 2 states. The app keeps these on a map alongside your private finds.
Can I legally collect thenardite on public land?+
Casual hand collecting of common rocks and minerals like thenardite 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 thenardite in the field?+
Field identification of thenardite 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 thenardite on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
