Shon-daw-myaing, Mogok Valley, Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmar
The Shon-daw-myaing (Big Forest) joint venture mining site is located south of Le-U-thet-kachan. Faceting and cabochon grade ruby, blue sapphire, star ruby, star sapphire, quartz and moonstone are found in the alluvium. Most stones are small, below 5 carats, and generally of good quality.Ref: Ted Themelis (2008) Gems and Mines of Mogok, p. 211