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Baja California

El Mármol onyx quarries

Mineral locality Documented sitePermission required

What you could find

Reported finds from this ground.

Crystals and mineralsCrystals and minerals

Also reported: Onyx.

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

Why this spot

Historic Baja onyx (travertine) quarries

Banded Baja onyx

Before you go

Hazards noted for this site.

Remote desert

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.