Where to Find Thomsonite in Michigan
3 mapped thomsonite rockhounding spots in Michigan, across 3 counties. Thomsonite is reported at multiple rockhounding spots across the United States. Michigan is the spiritual home of Lake Superior agate hunting.
Map of 3 thomsonite rockhounding spots in Michigan
Thomsonite by county in Michigan
Counties ranked by number of thomsonite spots in our database.
Every thomsonite spot in Michigan
Sorted by county. Coordinates open in Google Maps. Click a row for details.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| McClain State ParkBear Lake Road | Houghton County |
| 47.2368, -88.6147 | Public |
| Keweenaw Point | Keweenaw County |
| 47.4079, -87.7115 | Public |
| Lake Superior BeachLakeshore Road | Ontonagon County |
| 46.8713, -89.3352 | Public |
Thomsonite in Michigan FAQ
Where can I find thomsonite in Michigan?+
RockHoundR tracks 3 thomsonite spots in Michigan, spread across 3 counties. The strongest concentration is in Houghton County.
Is collecting thomsonite legal in Michigan?+
Casual hand collection of common rocks and minerals like thomsonite is allowed on most BLM and U.S. Forest Service land in Michigan, 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 thomsonite location in Michigan?+
Houghton County has the most thomsonite spots in our database for Michigan. The full county breakdown is below — different counties produce different qualities and varieties.
Other states for thomsonite
Other minerals to find in Michigan
Hunt thomsonite in Michigan on the map
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