Where to Find Alunite in the United States

12 mapped alunite spots across 1 U.S. states. Alunite 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 alunite across the United States, with 12 mapped spots

Top states for alunite

States ranked by number of alunite spots in our database. States in bold link to a focused alunite-in-state list.

Every alunite spot we track

Sorted by state and county. Coordinates open in Google Maps.

Alunite rockhounding FAQ

Where is the best place to find alunite in the U.S.?+
Utah have the highest concentrations of alunite in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many alunite rockhounding spots does RockHoundR track?+
12 mapped spots across 1 states. The app keeps these on a map alongside your private finds.
Can I legally collect alunite on public land?+
Casual hand collecting of common rocks and minerals like alunite 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 alunite in the field?+
Field identification of alunite 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 alunite on the map

Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.

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