Kyauk-saung-Kyatpyin, Marble Ark, Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmar

It is a primary ruby deposit. The marble is gray-bluish often with mica (no sphene is found). Ruby mining takes place in a typical gwè-dwin scheme reaching over 50 meters in depth. Diopsides, scapolites and spinels are also recovered in the same area.

Ref: Ted Themelis (2008) Gems and Mines of Mogok, p. 238

Gemstone List

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