Where to Find Blue Chert in the United States

1 mapped blue chert spots across 1 U.S. states. Blue Chert 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 blue chert across the United States, with 1 mapped spots

Top states for blue chert

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

Every blue chert spot we track

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

SpotCountyMineralsCoordinatesAccess
Elk River near Bee BluffMO EMcDonald County36.6316, -94.1918Public

Blue Chert rockhounding FAQ

Where is the best place to find blue chert in the U.S.?+
Missouri have the highest concentrations of blue chert in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many blue chert rockhounding spots does RockHoundR track?+
1 mapped spots across 1 states. The app keeps these on a map alongside your private finds.
Can I legally collect blue chert on public land?+
Casual hand collecting of common rocks and minerals like blue chert 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 blue chert in the field?+
Field identification of blue chert 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 blue chert 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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