The Gemstone Exhibition Hall is renowned for its abundant gemstone resources and advanced testing technology. Visitors can admire a variety of precious gemstone roughs and finished products, including Hainan’s unique crystals and agates, while learning about the formation process and testing methods of gemstones.
Hainan Province Geological Testing Research Center – Gemstone Exhibition Hall
The Gemstone Exhibition Hall is renowned for its abundant gemstone resources and advanced testing te[...]
