Where to Find Diabase in the United States

1 mapped diabase spots across 1 U.S. states. Diabase 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 diabase: properties & identification →

Map showing where to find diabase across the United States, with 1 mapped spots

Top states for diabase

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

Every diabase spot we track

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

SpotCountyMineralsCoordinatesAccess
Fort Point AreaBattery East Road37.8089, -122.4762Public

Diabase rockhounding FAQ

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