Where to Find Opalized Wood in the United States
54 mapped opalized wood spots across 12 U.S. states. Opalized Wood 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 opalized wood across the United States, with 54 mapped spots
Top states for opalized wood
States ranked by number of opalized wood spots in our database. States in bold link to a focused opalized wood-in-state list.
Every opalized wood spot we track
Sorted by state and county. Coordinates open in Google Maps.
Opalized Wood rockhounding FAQ
Where is the best place to find opalized wood in the U.S.?+
Nebraska, Washington, Idaho have the highest concentrations of opalized wood in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many opalized wood rockhounding spots does RockHoundR track?+
54 mapped spots across 12 states. The app keeps these on a map alongside your private finds.
Can I legally collect opalized wood on public land?+
Casual hand collecting of common rocks and minerals like opalized wood 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 opalized wood in the field?+
Field identification of opalized wood 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 opalized wood on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
