Where to Find Dumortierite in the United States
3 mapped dumortierite spots across 2 U.S. states. Dumortierite 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 dumortierite across the United States, with 3 mapped spots
Top states for dumortierite
States ranked by number of dumortierite spots in our database. States in bold link to a focused dumortierite-in-state list.
Every dumortierite spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Jack CreekJack Creek Road | Jefferson County |
| 46.3725, -112.2872 | Public |
| Tres Hermanas Mtscdt | Luna County |
| 31.9307, -107.7255 | Public |
| La Madera (dumortierite area) | Rio Arriba County |
| 36.3810, -106.0346 | Public |
Dumortierite rockhounding FAQ
Where is the best place to find dumortierite in the U.S.?+
New Mexico, Montana have the highest concentrations of dumortierite in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many dumortierite rockhounding spots does RockHoundR track?+
3 mapped spots across 2 states. The app keeps these on a map alongside your private finds.
Can I legally collect dumortierite on public land?+
Casual hand collecting of common rocks and minerals like dumortierite 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 dumortierite in the field?+
Field identification of dumortierite 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 dumortierite on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
