- Sapphire, sapphire, and other colors of corundum have been found in Yen Bai province in northern Vietnam.
Other areas of Vietnam where sapphire and sapphire are found
- Naghe An
- Quang Nam
Areas of Vietnam where sapphire is found.
- Lam dong
- Dak Lak
- Dak nong
- Binh Thuan- - Dong nai
Good quality sapphires from metamorphic sources have been found in Nghe An.
Article by Nima Monzavi (Gemologist)
Reference : GIA
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