Where to Find Cassiterite in the United States
13 mapped cassiterite spots across 8 U.S. states. Cassiterite 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 cassiterite across the United States, with 13 mapped spots
Top states for cassiterite
States ranked by number of cassiterite spots in our database. States in bold link to a focused cassiterite-in-state list.
Every cassiterite spot we track
Sorted by state and county. Coordinates open in Google Maps.
Cassiterite rockhounding FAQ
Where is the best place to find cassiterite in the U.S.?+
Alabama, North Carolina, Montana have the highest concentrations of cassiterite in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many cassiterite rockhounding spots does RockHoundR track?+
13 mapped spots across 8 states. The app keeps these on a map alongside your private finds.
Can I legally collect cassiterite on public land?+
Casual hand collecting of common rocks and minerals like cassiterite 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 cassiterite in the field?+
Field identification of cassiterite 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 cassiterite on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
