Where to Find Moss Agate in Iowa
3 mapped moss agate rockhounding spots in Iowa, across 3 counties. Moss agate is translucent chalcedony with mineral inclusions that look like ferns or moss.
Map of 3 moss agate rockhounding spots in Iowa
Moss Agate by county in Iowa
Counties ranked by number of moss agate spots in our database.
Every moss agate spot in Iowa
Sorted by county. Coordinates open in Google Maps. Click a row for details.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| DubuqueRiverside Road | Dubuque County | 42.5762, -90.6824 | Public | |
| BellevueGreat River Road | Jackson County |
| 42.2313, -90.4017 | Public |
| Muscatine (agate)County Road G44X | Louisa County | 41.3185, -91.1561 | Public |
Moss Agate in Iowa FAQ
Where can I find moss agate in Iowa?+
RockHoundR tracks 3 moss agate spots in Iowa, spread across 3 counties. The strongest concentration is in Dubuque County.
Is collecting moss agate legal in Iowa?+
Casual hand collection of common rocks and minerals like moss agate 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 moss agate location in Iowa?+
Dubuque County has the most moss agate spots in our database for Iowa. The full county breakdown is below — different counties produce different qualities and varieties.
Other states for moss agate
Hunt moss agate in Iowa on the map
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