Where to Find Coffinite in the United States
3 mapped coffinite spots across 2 U.S. states. Coffinite 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 coffinite across the United States, with 3 mapped spots
Top states for coffinite
States ranked by number of coffinite spots in our database. States in bold link to a focused coffinite-in-state list.
Every coffinite spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Big Indian WashHomestake Spur | San Juan County |
| 38.2308, -109.2810 | Public |
| La Sal mining districtV2 Road | San Juan County | 38.3414, -109.0638 | Public | |
| BaggsWY 789 | Carbon County | 41.0894, -107.5937 | Public |
Coffinite rockhounding FAQ
Where is the best place to find coffinite in the U.S.?+
Utah, Wyoming have the highest concentrations of coffinite in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many coffinite 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 coffinite on public land?+
Casual hand collecting of common rocks and minerals like coffinite 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 coffinite in the field?+
Field identification of coffinite 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 coffinite on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
