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.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Elk River near Bee BluffMO E | McDonald County |
| 36.6316, -94.1918 | Public |
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.
