The Vietnam Gemstone Association organised an exhibition of natural gemstones as part of the second Asia-Pacific Geoparks Network Symposium in Vietnam last week.

Nearly 100 types of gemstones were displayed at the exhibition. Exhibits were jewelry, gemstones and geomancy stones. In the photo are agate and quartz stones, which are mainly explored in the central and central highlands of Vietnam. Quartz was discovered nearly 300,000 years ago.

Artworks introduced at the exhibition are made by natural gemstones in Vietnam like ruby, sapphire, spine, peridot, tourmaline, quartz, opal, etc. Foreign visitors often buy raw stones like this, which are explored from the northern, central and central highlands of Vietnam.

These two types of gemstones are explored in Luc Yen in the northern province of Yen Bai and Chau Quy in the central province of Nghe An.

These two types of gemstones are explored in Luc Yen in the northern province of Yen Bai and Chau Quy in the central province of Nghe An.

From rude stones, luxurious jewelry is made.

Products made from casidon, which is distributed in Dak Nong province in the Central Highlands.

This sapphire attracted many visitors. Sapphire is rare because its formation requires special geological conditions. Sapphire was used as jewelry 2,000 years ago.