Where to Find Chlorastrolite in the United States
2 mapped chlorastrolite spots across 2 U.S. states. Chlorastrolite 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 chlorastrolite across the United States, with 2 mapped spots
Top states for chlorastrolite
States ranked by number of chlorastrolite spots in our database. States in bold link to a focused chlorastrolite-in-state list.
Every chlorastrolite spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Siskiwit Lake (South Side)Ishpeming Trail | Keweenaw County |
| 47.9887, -88.8074 | Public |
| Thomsonite BeachMN 61 | Cook County |
| 47.7278, -90.4584 | Public |
Chlorastrolite rockhounding FAQ
Where is the best place to find chlorastrolite in the U.S.?+
Michigan, Minnesota have the highest concentrations of chlorastrolite in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many chlorastrolite rockhounding spots does RockHoundR track?+
2 mapped spots across 2 states. The app keeps these on a map alongside your private finds.
Can I legally collect chlorastrolite on public land?+
Casual hand collecting of common rocks and minerals like chlorastrolite 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 chlorastrolite in the field?+
Field identification of chlorastrolite 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.
Hunt chlorastrolite on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
