Where to Find Vermiculite in the United States

4 mapped vermiculite spots across 3 U.S. states. Vermiculite 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 vermiculite across the United States, with 4 mapped spots

Top states for vermiculite

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

Every vermiculite spot we track

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

SpotCountyMineralsCoordinatesAccess
HillsboroState Highway 11 SouthJasper County33.1796, -83.6409Public
LibbyNational Forest Development Road 618Lincoln County48.3039, -115.5964Public
DemocratBig Ivy DriveBuncombe County35.7865, -82.5007Public
Little Scaly MountainLittle Scaly Mountain RoadMacon County35.0320, -83.2548Public

Vermiculite rockhounding FAQ

Where is the best place to find vermiculite in the U.S.?+
North Carolina, Georgia, Montana have the highest concentrations of vermiculite in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many vermiculite rockhounding spots does RockHoundR track?+
4 mapped spots across 3 states. The app keeps these on a map alongside your private finds.
Can I legally collect vermiculite on public land?+
Casual hand collecting of common rocks and minerals like vermiculite 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 vermiculite in the field?+
Field identification of vermiculite 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 vermiculite on the map

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

Download on the App StoreGet it on Google Play