Pan-taw (Flower Field). Small mining concerns work in the alluvium mining
spinels of all grades, yellow
sapphires and fewer
rubies. Some of sapphires are good quality, of faceting and cabochon grades, usually weighing below 2 ct. Pink
tourmaline,
amazonite,
topaz, large size
quartz, color-change
fluorite (bluish to purplish),
rhodochrosite,
jeremejevite and some rare minerals are also found in the nearby pegmatite dyke. Gem mining is carried out using open-pit,
letkya-dwin,
lebin,
inbyae and
myaw-dwin methods.
Ref: Ted Themelis (2008) Gems and Mines of Mogok, p. 253
Gemstone List