For many years several MGE-joint venture companies have been mining gemstones at Pein-pyit-le-taw just behind the Pein-pyit village. Gem mining takes place on the small stream banks and in paddy fields, where yellow-green, greenish-blue
sapphire,
ruby,
spinel,
tourmaline,
almandine,
orthoclase,
fibrolite and
apatite are recovered from the alluvium.
Ref: Ted Themelis (2008) Gems and Mines of Mogok, p. 191
Gemstone List