Where to Find Chalcedony Geode in the United States

4 mapped chalcedony geode spots across 4 U.S. states. Chalcedony Geode 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 chalcedony geode across the United States, with 4 mapped spots

Top states for chalcedony geode

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

Every chalcedony geode spot we track

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

SpotCountyMineralsCoordinatesAccess
Both sides of Mule Creek RoadAZ 78Greenlee County
  • Chalcedony Geode
33.1027, -109.0607Public
Presque IslePresque Isle County
  • Agate
  • Chalcedony Geode
  • Sandstone With Calcite Veins
45.3504, -83.5516Public
Powder RiverPowder River RoadBaker County
  • Chalcedony Geode
44.7531, -117.2131Public
Middle Fork Teanaway RiverMiddle Fork Teanaway RoadKittitas County47.2971, -120.9623Public

Chalcedony Geode rockhounding FAQ

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