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The world renound ruby mines at Mogok, Burma

The sapphire mines at Bang Kacha, Chanthaburi, Thailand.

Gem mining at Pailin, Cambodia.

Sapphire mining at Bo Ploi, Kanchanaburi, Thailand

Ruby mining at Bo Rai, Trat, Thailand.

The marble village of Sagyin, Shan State, Burma.

Inclusions in Heated Rubies

Partially dissolved rutile silk in a Vietnamese ruby. The partially dissolved silk is  indicative proof the stone has been heated to high temperatures.

Partially dissolved rutile silk in a Vietnamese ruby. The partially dissolved silk is

 indicative proof the stone has been heated to high temperatures.

 

 

White clouds are a common inclusion in heat-treated rubies from Mong Hsu.

White clouds are a common inclusion in heat-treated rubies from Mong Hsu.

 

 

A heat-treated Mong Hsu ruby clearly showing the white cloudy area.

A heat-treated Mong Hsu ruby clearly showing the white cloudy area.

 

 

Another heated Mong Hsu ruby with characteristic white cloudy inclusions.

Another heated Mong Hsu ruby with characteristic white cloudy inclusions.

 

 

 

 

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