Where to Find Chalcedony in Colorado

4 mapped chalcedony rockhounding spots in Colorado, across 2 counties. Chalcedony is the parent name for microcrystalline quartz, including agate, jasper, carnelian, and chrysoprase.

Map of 4 chalcedony rockhounding spots in Colorado

Chalcedony by county in Colorado

Counties ranked by number of chalcedony spots in our database.

Every chalcedony spot in Colorado

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

Chalcedony in Colorado FAQ

Where can I find chalcedony in Colorado?+
RockHoundR tracks 4 chalcedony spots in Colorado, spread across 2 counties. The strongest concentration is in Mineral County.
Is collecting chalcedony legal in Colorado?+
Casual hand collection of common rocks and minerals like chalcedony is allowed on most BLM and U.S. Forest Service land in Colorado, 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 Colorado?+
Mineral County has the most chalcedony spots in our database for Colorado. The full county breakdown is below — different counties produce different qualities and varieties.

Other states for chalcedony

Other minerals to find in Colorado

Hunt chalcedony in Colorado on the map

Open RockHoundR for live land overlays, weather, geology, and saved spots.

Download on the App StoreGet it on Google Play