Where to Find Silicified Lignite in the United States

1 mapped silicified lignite spots across 1 U.S. states. Silicified Lignite 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 silicified lignite across the United States, with 1 mapped spots

Top states for silicified lignite

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

Every silicified lignite spot we track

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

SpotCountyMineralsCoordinatesAccess
Virgin ValleyHumboldt County41.8302, -119.0002Public

Silicified Lignite rockhounding FAQ

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