Where to Find Halloysite in the United States

5 mapped halloysite spots across 4 U.S. states. Halloysite 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 halloysite across the United States, with 5 mapped spots

Top states for halloysite

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

Every halloysite spot we track

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

SpotCountyMineralsCoordinatesAccess
Table Mountains (North and South)North Table Loop TrailJefferson County39.7740, -105.2009Public
GorePinhoti TrailChattooga County
  • Halloysite
34.5488, -85.2564Public
Rising FawnI 59Dade County
  • Halloysite
34.7473, -85.5404Public
Winston-SalemWaughtown Connector GreenwayForsyth County36.0820, -80.2043Public
Lake MountainUtah County
  • Endellite
  • Halloysite
  • Olivine
40.2069, -111.9383Public

Halloysite rockhounding FAQ

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

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

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