Where to Find Andesine in the United States
2 mapped andesine spots across 2 U.S. states. Andesine is reported at multiple rockhounding spots across the United States. The map below shows where collectors most often find it on legal public ground.
Learn about andesine: properties & identification →Map showing where to find andesine across the United States, with 2 mapped spots
Top states for andesine
States ranked by number of andesine spots in our database. States in bold link to a focused andesine-in-state list.
Every andesine spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Crystal Butte | Fremont County |
| 44.2918, -111.7005 | Public |
| Twin Peak | Millard County | 38.7841, -112.7329 | Public |
Andesine rockhounding FAQ
Where is the best place to find andesine in the U.S.?+
Idaho, Utah have the highest concentrations of andesine in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many andesine rockhounding spots does RockHoundR track?+
2 mapped spots across 2 states. The app keeps these on a map alongside your private finds.
Can I legally collect andesine on public land?+
Casual hand collecting of common rocks and minerals like andesine 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 andesine in the field?+
Field identification of andesine 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 andesine on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
