Le-U-thet-kachan, Mogok Valley, Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmar
This mining area is located just south of Ohn-bin. Ruby, star ruby, blue sapphire, color-change sapphire, star sapphire, spinel, chrysoberyl, danburite, scapolite and tourmaline are found in the alluvium and they are mined by open-pit methods. These gems are of faceting and cabochon grade, mostly of small size.Ref: Ted Themelis (2008) Gems and Mines of Mogok, p. 208