gems, corundum, Vietnam.12, ruby, spinel, tourmaline, topaz, garnet, feldspar, aquamarine, danburite

Studies of the gemstones of northern Vietnam have only recently become internationally available, as their discovery and economic importance has grown. The region has important and world-class deposits of corundum gems and spinel, whilst several other gemstones are found, including tourmaline, topaz, garnet, gem feldspar, aquamarine and danburite. Marketing of the gems is done through city dealers and gemstone markets.