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Texas

Llano River gravel bars, Castell

Mineral locality Documented siteLegal to collect

What you could find

Reported finds from this ground.

Crystals and mineralsCrystals and minerals

Also reported: llanite pebbles, feldspar.

Photos via Wikimedia Commons: Stephanie Clifford from Arlington, VA, USA (CC BY 2.0).

Why this spot

Granite-country river gravels of the Llano uplift carrying llanite, garnet and quartz

Texas guides point hobbyists to public riverbed gravel bars in the uplift.

Before you go

Hazards noted for this site.

flash floods, private banks

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.