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
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