Where to Find Crocidolite in the United States

2 mapped crocidolite spots across 2 U.S. states. Crocidolite is reported at multiple rockhounding spots across the United States. The map below shows where collectors most often find it on legal public ground.

Learn about crocidolite: properties & identification →

Map showing where to find crocidolite across the United States, with 2 mapped spots

Top states for crocidolite

States ranked by number of crocidolite spots in our database. States in bold link to a focused crocidolite-in-state list.

Every crocidolite spot we track

Sorted by state and county. Coordinates open in Google Maps.

SpotCountyMineralsCoordinatesAccess
North Fork of Eel RiverMina RoadMendocino County
  • Nephrite Jade
  • Crocidolite
  • Jadeite
39.9355, -123.3589Public
Duchesne CountyWest Main StreetDuchesne County
  • Analcite
  • Anhydrite
  • Crocidolite
  • Fluorapatite
  • Illite
  • Pyrite
  • Bassanite
  • Dawsonite
  • +2 more
40.1634, -110.4014Public

Crocidolite rockhounding FAQ

Where is the best place to find crocidolite in the U.S.?+
California, Utah have the highest concentrations of crocidolite in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many crocidolite 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 crocidolite on public land?+
Casual hand collecting of common rocks and minerals like crocidolite 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 crocidolite in the field?+
Field identification of crocidolite 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 crocidolite on the map

Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.

Download on the App StoreGet it on Google Play