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Central Java

Karangsambung geological reserve

Mineral locality Documented siteProhibited, look only

What you could find

Reported finds from this ground.

Agates and jasperAgates and jasper

Also reported: serpentinite, schist (look, do not hammer).

Photos via Wikimedia Commons: Teerui (Public domain).

Why this spot

Melange complex of oceanic rocks exposed in the Luk Ulo valley, Indonesia's classic field-geology campus

National geological reserve documented in Indonesian earth-science literature.

Before you go

Hazards noted for this site.

river crossings

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.