Where to Find Alunogen in the United States
2 mapped alunogen spots across 1 U.S. states. Alunogen 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 alunogen across the United States, with 2 mapped spots
Top states for alunogen
States ranked by number of alunogen spots in our database. States in bold link to a focused alunogen-in-state list.
Every alunogen spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Foster & Hume | Bates County |
| 38.1565, -94.4942 | Public |
| RuckerWest Thornhill Road | Boone County |
| 39.2312, -92.4180 | Public |
Alunogen rockhounding FAQ
Where is the best place to find alunogen in the U.S.?+
Missouri have the highest concentrations of alunogen in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many alunogen rockhounding spots does RockHoundR track?+
2 mapped spots across 1 states. The app keeps these on a map alongside your private finds.
Can I legally collect alunogen on public land?+
Casual hand collecting of common rocks and minerals like alunogen 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 alunogen in the field?+
Field identification of alunogen 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.
