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.

SpotCountyMineralsCoordinatesAccess
CoralvilleLL Pelling RoadJohnson County41.6883, -91.6242Public
Cedar Rapids29th Ave Dr SWLinn County41.9419, -91.6512Public
Cedar Creek335th StreetMahaska County41.1678, -92.4599Public

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.

Other states for silicified coral

Other minerals to find in Iowa

Hunt silicified coral in Iowa on the map

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