Where to Find Chalcedony in Minnesota

5 mapped chalcedony rockhounding spots in Minnesota, across 4 counties. Chalcedony is the parent name for microcrystalline quartz, including agate, jasper, carnelian, and chrysoprase.

Map of 5 chalcedony rockhounding spots in Minnesota

Chalcedony by county in Minnesota

Counties ranked by number of chalcedony spots in our database.

Every chalcedony spot in Minnesota

Sorted by county. Coordinates open in Google Maps. Click a row for details.

SpotCountyMineralsCoordinatesAccess
Arco MineSlikstone DriveCrow Wing County46.4891, -94.0019Public
Portsmouth MinePortsmouth Campground TrailCrow Wing County46.4908, -93.9714Public
OsseoElm Creek BoulevardHennepin County45.0931, -93.4087Public
RochesterZumbro River Trail SouthOlmsted County43.9970, -92.4930Public
ElyDavid Dill-Taconite State TrailSaint Louis County47.8756, -91.9145Public

Chalcedony in Minnesota FAQ

Where can I find chalcedony in Minnesota?+
RockHoundR tracks 5 chalcedony spots in Minnesota, spread across 4 counties. The strongest concentration is in Crow Wing County.
Is collecting chalcedony legal in Minnesota?+
Casual hand collection of common rocks and minerals like chalcedony is allowed on most BLM and U.S. Forest Service land in Minnesota, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always confirm rules before a trip.
What is the best chalcedony location in Minnesota?+
Crow Wing County has the most chalcedony spots in our database for Minnesota. The full county breakdown is below — different counties produce different qualities and varieties.

Other states for chalcedony

Other minerals to find in Minnesota

Hunt chalcedony in Minnesota on the map

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