Where to Find Thorogummite in the United States
1 mapped thorogummite spots across 1 U.S. states. Thorogummite 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 thorogummite across the United States, with 1 mapped spots
Top states for thorogummite
States ranked by number of thorogummite spots in our database. States in bold link to a focused thorogummite-in-state list.
Every thorogummite spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| HaveyTrenton Place | Sagadahoc County | 43.9757, -69.9448 | Public |
Thorogummite rockhounding FAQ
Where is the best place to find thorogummite in the U.S.?+
Maine have the highest concentrations of thorogummite in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many thorogummite rockhounding spots does RockHoundR track?+
1 mapped spots across 1 states. The app keeps these on a map alongside your private finds.
Can I legally collect thorogummite on public land?+
Casual hand collecting of common rocks and minerals like thorogummite 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 thorogummite in the field?+
Field identification of thorogummite 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.
