Where to Find Anhydrite in the United States
23 mapped anhydrite spots across 2 U.S. states. Anhydrite 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 anhydrite across the United States, with 23 mapped spots
Top states for anhydrite
States ranked by number of anhydrite spots in our database. States in bold link to a focused anhydrite-in-state list.
Every anhydrite spot we track
Sorted by state and county. Coordinates open in Google Maps.
Anhydrite rockhounding FAQ
Where is the best place to find anhydrite in the U.S.?+
Utah, Wyoming have the highest concentrations of anhydrite in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many anhydrite rockhounding spots does RockHoundR track?+
23 mapped spots across 2 states. The app keeps these on a map alongside your private finds.
Can I legally collect anhydrite on public land?+
Casual hand collecting of common rocks and minerals like anhydrite 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 anhydrite in the field?+
Field identification of anhydrite 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 anhydrite on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
