Where to Find Anhydrite
23 mapped anhydrite spots across 2 regions. Pick a region for its local guide, or browse every spot below. 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.
Every mapped anhydrite spot
Monticello mining districtSan Juan County, UtahPublic access · Anhydrite, Carnotite, Gypsum +9
Duchesne CountyDuchesne County, UtahPermission required · Analcite, Anhydrite, Crocidolite +7- San Rafael RiverEmery County, UtahPublic access · Agate, Anhydrite, Carnotite +5
- Thompson SpringsGrand County, UtahPublic access · Agate, Agatized Clam, Anhydrite +5
- Cedar Mountain areaEmery County, UtahPublic access · Agate, Anhydrite, Carnotite +4
- Moab ValleySan Juan County, UtahPermission required · Anhydrite, Carnallite, Gypsum +3
- OrdervilleKane County, UtahPublic access · Septarian Nodule, Agate, Anhydrite +3
- San Juan RiverSan Juan County, UtahPermission required · Anhydrite, Chalcopyrite, Copper +3
- GlenwoodSevier County, UtahPublic access · Anhydrite, Geode, Gypsum +2
- Cedar CanyonIron County, UtahPublic access · Anhydrite, Carnotite, Gypsum +1
- FillmoreMillard County, UtahPublic access · Anhydrite, Gypsite, Gypsum +1
- Sevier CanyonSevier County, UtahPublic access · Alunite, Anhydrite, Gypsum +1
- SigurdSevier County, UtahPermission required · Anhydrite, Gypsum, Halite +1
- GunnisonSanpete County, UtahPublic access · Anhydrite, Gypsum, Halite
- Kanab CreekKane County, UtahPublic access · Silicified Wood, Anhydrite, Gypsum
- KanarravilleIron County, UtahPublic access · Anhydrite, Autunite, Gypsum
- MayfieldSanpete County, UtahPublic access · Anhydrite, Gypsum, Halite
- CannonvilleGarfield County, UtahPublic access · Anhydrite, Gypsum
- GlendaleKane County, UtahPublic access · Anhydrite, Gypsum
- Gypsum CreekSan Juan County, UtahPermission required · Anhydrite, Gypsum
- KanoshMillard County, UtahPublic access · Anhydrite, Gypsum
- Kimball ValleyKane County, UtahPermission required · Anhydrite, Gypsum
- Rattlesnake MountainPark County, WyomingPublic access · Anhydrite
Top regions for anhydrite
Anhydrite rockhounding FAQ
Where is the best place to find anhydrite?+
Utah, Wyoming have the highest concentrations of anhydrite in this list. Quality and access vary by area, so open the linked region pages for a detailed view.
How many anhydrite rockhounding spots does RockHoundR track?+
23 mapped spots across 2 regions. The app keeps these on a map alongside your private finds.
Can I legally collect anhydrite on public land?+
In the U.S., 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. Rules differ by country and region, so 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.
