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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 mineralsAlso 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.