Where to Find Diopside in the United States
24 mapped diopside spots across 12 U.S. states. Diopside 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 diopside across the United States, with 24 mapped spots
Top states for diopside
States ranked by number of diopside spots in our database. States in bold link to a focused diopside-in-state list.
Every diopside spot we track
Sorted by state and county. Coordinates open in Google Maps.
Diopside rockhounding FAQ
Where is the best place to find diopside in the U.S.?+
Utah, New York, Vermont have the highest concentrations of diopside in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many diopside rockhounding spots does RockHoundR track?+
24 mapped spots across 12 states. The app keeps these on a map alongside your private finds.
Can I legally collect diopside on public land?+
Casual hand collecting of common rocks and minerals like diopside 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 diopside in the field?+
Field identification of diopside 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 diopside on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
