Thailand is the largest centre of treatment, cutting and trade of
sapphire and
ruby. In addition to imported raw material, Thai
corundum is also processed. Sapphires and rubies have been produced since the end of the 19th century, and were intensely mined in the 1960s.
Ref: E.Ya. Kievlenko (2003) Geology of gems, p. 43
Gemstone List
Gem list contains entries from all listed localities in region.
Gemstones from Thailand by Colour
Click on a photo for more information.
Localities in this Region
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