Where to Find Glauconite in the United States
2 mapped glauconite spots across 2 U.S. states. Glauconite 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 glauconite across the United States, with 2 mapped spots
Top states for glauconite
States ranked by number of glauconite spots in our database. States in bold link to a focused glauconite-in-state list.
Every glauconite spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Decaturville CraterLilac Rd | Laclede County | 37.8930, -92.7085 | Public | |
| Uinta Mountains | Daggett County |
| 40.8864, -109.2425 | Public |
Glauconite rockhounding FAQ
Where is the best place to find glauconite in the U.S.?+
Missouri, Utah have the highest concentrations of glauconite in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many glauconite rockhounding spots does RockHoundR track?+
2 mapped spots across 2 states. The app keeps these on a map alongside your private finds.
Can I legally collect glauconite on public land?+
Casual hand collecting of common rocks and minerals like glauconite 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 glauconite in the field?+
Field identification of glauconite 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 glauconite on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
