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Chanthaburi
Chanthaburi / Bo Rai sapphire-ruby
Gem locality Documented sitePermission required
What you could find
Reported finds from this ground.
GoldAlso reported: Blue, green, yellow sapphire and ruby in basalt-derived gravels.
Photos via Wikimedia Commons: BLM Alaska (Public domain).
Why this spot
Cenozoic basalt-related placer
Global sapphire heat-treatment and trading center
Keep exploring nearby
More spots in this area.