RockHoundR

Where to Find Herkimer Diamond

15 mapped herkimer diamond spots across 2 regions. Pick a region for its local guide, or browse every spot below. Herkimer Diamond is reported at multiple rockhounding spots across the United States. The map below shows where collectors most often find it on legal public ground.

Open the full map

Every mapped herkimer diamond spot

Top regions for herkimer diamond

United States

15 spots · 2 regions

Herkimer Diamond rockhounding FAQ

Where is the best place to find herkimer diamond?+
New York, Pennsylvania have the highest concentrations of herkimer diamond in this list. Quality and access vary by area, so open the linked region pages for a detailed view.
How many herkimer diamond rockhounding spots does RockHoundR track?+
15 mapped spots across 2 regions. The app keeps these on a map alongside your private finds.
Can I legally collect herkimer diamond on public land?+
In the U.S., casual hand collecting of common rocks and minerals like herkimer diamond 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. Rules differ by country and region, so always check with the managing agency before a trip.
How do I identify herkimer diamond in the field?+
Field identification of herkimer diamond 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 herkimer diamond 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