Where to Find Calcite Nodules in the United States

1 mapped calcite nodules spots across 1 U.S. states. Calcite Nodules 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 calcite nodules across the United States, with 1 mapped spots

Top states for calcite nodules

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

Every calcite nodules spot we track

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

SpotCountyMineralsCoordinatesAccess
Jefferson CountyVeterans Memorial HighwayJefferson County38.4622, -90.4206Public

Calcite Nodules rockhounding FAQ

Where is the best place to find calcite nodules in the U.S.?+
Missouri have the highest concentrations of calcite nodules in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many calcite nodules 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 calcite nodules on public land?+
Casual hand collecting of common rocks and minerals like calcite nodules 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 calcite nodules in the field?+
Field identification of calcite nodules 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 calcite nodules 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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