Where to Find Calcified Coral in the United States
3 mapped calcified coral spots across 1 U.S. states. Calcified Coral 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 calcified coral across the United States, with 3 mapped spots
Top states for calcified coral
States ranked by number of calcified coral spots in our database. States in bold link to a focused calcified coral-in-state list.
Every calcified coral spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| CoralvilleLL Pelling Road | Johnson County |
| 41.6883, -91.6242 | Public |
| Cedar Rapids29th Ave Dr SW | Linn County |
| 41.9419, -91.6512 | Public |
| Cedar Creek335th Street | Mahaska County |
| 41.1678, -92.4599 | Public |
Calcified Coral rockhounding FAQ
Where is the best place to find calcified coral in the U.S.?+
Iowa have the highest concentrations of calcified coral in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many calcified coral rockhounding spots does RockHoundR track?+
3 mapped spots across 1 states. The app keeps these on a map alongside your private finds.
Can I legally collect calcified coral on public land?+
Casual hand collecting of common rocks and minerals like calcified coral 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 calcified coral in the field?+
Field identification of calcified coral 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.
