Where: Chanthaburi · Asia · approx. 12.61, 102.1 (vicinity only)
Why this spot: Cenozoic basalt-related placer
What turns up: Blue, green, yellow sapphire and ruby in basalt-derived gravels
Access: Permission required.
Historic mines largely worked out; Chanthaburi is now the world's leading colored-stone cutting/trading hub, buy from dealers
Open in Mudlark Map →
Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.
Pins are approximate by design. This page is historical research, not permission to dig. Check ownership and local law first.