Lục Yên District
Lục Yên is a rural district of Yên Bái Province, in the Northeast region of Vietnam. As of 2003 the district had a population of 100,785. The district covers an area of 811 km². The district capital lies at Yên Thế. Numerous quarries in the district produce gemstones such as rubies, spinel, and tourmaline.
