Where to Find Silicified Coral in Iowa
3 mapped silicified coral rockhounding spots in Iowa, across 3 counties. Silicified Coral is reported at multiple rockhounding spots across the United States.
Map of 3 silicified coral rockhounding spots in Iowa
Silicified Coral by county in Iowa
Counties ranked by number of silicified coral spots in our database.
Every silicified coral spot in Iowa
Sorted by county. Coordinates open in Google Maps. Click a row for details.
| 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 |
Silicified Coral in Iowa FAQ
Where can I find silicified coral in Iowa?+
RockHoundR tracks 3 silicified coral spots in Iowa, spread across 3 counties. The strongest concentration is in Johnson County.
Is collecting silicified coral legal in Iowa?+
Casual hand collection of common rocks and minerals like silicified coral is allowed on most BLM and U.S. Forest Service land in Iowa, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always confirm rules before a trip.
What is the best silicified coral location in Iowa?+
Johnson County has the most silicified coral spots in our database for Iowa. The full county breakdown is below — different counties produce different qualities and varieties.
