Where to Find Gypsum in the United States
56 mapped gypsum spots across 12 U.S. states. Gypsum 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 gypsum across the United States, with 56 mapped spots
Top states for gypsum
States ranked by number of gypsum spots in our database. States in bold link to a focused gypsum-in-state list.
Every gypsum spot we track
Sorted by state and county. Coordinates open in Google Maps.
Gypsum rockhounding FAQ
Where is the best place to find gypsum in the U.S.?+
Utah, Wyoming, Missouri have the highest concentrations of gypsum in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many gypsum rockhounding spots does RockHoundR track?+
56 mapped spots across 12 states. The app keeps these on a map alongside your private finds.
Can I legally collect gypsum on public land?+
Casual hand collecting of common rocks and minerals like gypsum 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 gypsum in the field?+
Field identification of gypsum 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.
