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China Inland, Hainan

Hainan

Tunchang Yanggeling crystal mine site

Crystal locality Documented siteRestricted

What you could find

Reported finds from this ground.

Crystals and mineralsCrystals and minerals
Sea potterySea pottery

Also reported: historic 701-mine specimens, none to self-collect on site.

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

Why this spot

Crystal locality: China's first and once largest natural rock-crystal mine (the 701 mine), now a flooded pit and geoheritage site

Mine history and 2025 heritage designation documented in Hainan state media; visitor-access details still evolving

Before you go

Hazards noted for this site.

Deep flooded pit with steep unfenced sectionsTropical heat

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.