Where to Find Gyrolite in the United States

1 mapped gyrolite spots across 1 U.S. states. Gyrolite 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 gyrolite across the United States, with 1 mapped spots

Top states for gyrolite

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

Every gyrolite spot we track

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

SpotCountyMineralsCoordinatesAccess
New Almaden Area MinesBertram RoadSanta Clara County
  • Chert
  • Cinnabar
  • Apophyllite
  • Gyrolite
37.1760, -121.8208Public

Gyrolite rockhounding FAQ

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

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

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