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Northern Ireland

Giant's Causeway, County Antrim

Crystal locality Documented siteProhibited, look only

What you could find

Reported finds from this ground.

Crystals and mineralsCrystals and minerals
Agates and jasperAgates and jasper

Also reported: Zeolites (natrolite, chabazite, thomsonite).

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

Why this spot

Palaeogene (Antrim Lava Group) basalt with zeolite amygdales

Protected WHS; famous columnar basalt, no collecting whatsoever.

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.