In September 2000 a new mining site was discovered at Nyaung-bin-sho (Valley of the Banyan Tree) upper part of Kyauk-poke
. Star blue sapphires
and some rubies
are recovered in the alluvium. Most of the gems are small, averaging half a carat.
Ref: Ted Themelis (2008) Gems and Mines of Mogok, p. 229