Where to Find Chalcedony in Idaho

6 mapped chalcedony rockhounding spots in Idaho, across 6 counties. Chalcedony is the parent name for microcrystalline quartz, including agate, jasper, carnelian, and chrysoprase. Idaho is a star-garnet, opal, and jasper destination.

Map of 6 chalcedony rockhounding spots in Idaho

Chalcedony by county in Idaho

Counties ranked by number of chalcedony spots in our database.

Every chalcedony spot in Idaho

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

Chalcedony in Idaho FAQ

Where can I find chalcedony in Idaho?+
RockHoundR tracks 6 chalcedony spots in Idaho, spread across 6 counties. The strongest concentration is in Ada County.
Is collecting chalcedony legal in Idaho?+
Casual hand collection of common rocks and minerals like chalcedony is allowed on most BLM and U.S. Forest Service land in Idaho, 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 Idaho?+
Ada County has the most chalcedony spots in our database for Idaho. The full county breakdown is below — different counties produce different qualities and varieties.

Other states for chalcedony

Other minerals to find in Idaho

Hunt chalcedony in Idaho on the map

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