Where to Find Corundum
51 mapped corundum spots across 14 regions in 2 countries. Pick a region for its local guide, or browse every spot by country below. Corundum is reported at multiple rockhounding spots across the United States. The map below shows where collectors most often find it on legal public ground.
Top regions for corundum
United States
48 spots · 11 regionsCanada
3 spots · 3 regionsMap showing where to find corundum, with 51 mapped spots
Every mapped corundum spot
Corundum rockhounding FAQ
Where is the best place to find corundum?+
North Carolina, Georgia, Idaho have the highest concentrations of corundum in this list. Quality and access vary by area, so open the linked region pages for a detailed view.
How many corundum rockhounding spots does RockHoundR track?+
51 mapped spots across 14 regions in 2 countries. The app keeps these on a map alongside your private finds.
Can I legally collect corundum on public land?+
In the U.S., casual hand collecting of common rocks and minerals like corundum 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. Rules differ by country and region, so always check with the managing agency before a trip.
How do I identify corundum in the field?+
Field identification of corundum 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 corundum on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
