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Gübelin Gem Lab Fieldtrip Traditional Blow Pipe Treatment
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=U564LcIC6Hs
The #Gübelin Gem Lab’s Hong Kong Manager, Hpone Phyo, assisting a Sri Lankan gemstone treater in the traditional art of blow pipe heating. • Blow pipe heating is a #technique that has been used for centuries and is still a common technique to enhance the colour of #gemstones. This #treatment method is typically applied to induce, intensify or lighten the blue colour in #sapphires, or to remove an unwanted secondary hue. • Discover more under https://www.gubelin.com/gemmology. • / gubelingemmology • / gubelingemmology
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