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GIA Research (Thailand)

10th Floor U-Chu-Liang Building
968 Rama IV Road Silom Bangrak Bangkok
10500 Thailand

Tel: (66) 2 632 4090
Fax: (66) 2 632 4096
Email: info@giathai.net

Office Hours:
10.00 a.m. - 5.00 p.m. (Mon-Fri)
 









The 14th Gemstone Gathering

The 14th Gemstone Gathering

 

 "The Microworld of Jade"

 

by GIA's Chief Gemologist, Mr. John Koivula

for an unforgettable journey into the “stone of heaven”

 

Mr. John Koivula, Chief Gemologist, GIA Carlsbad, California who is perhaps best known for his work with the late Dr. Gubelin in the creation of the Photoatlas of Inclusions in Gemstones series of books.

Mr. Koivula has an extensive gemological background ; he has authored and co-authored over 800 articles for a variety of trade and industry publications, and is responsible for early pioneering work with photomicrography and illumination techniques used with the microscope.

The charismatic John Koivula delivered a thoroughly enjoyable and energetic presentation focusing on how minute microscopic clues can help in the separation of heat treated and natural gems, additionally he demonstrated the importance of varied illumination techniques and viewing angles when studying inclusion scenes.

 

at the Murano Room 2nd Fl., Tawanna Hotel

80 Surawongse Road, Bangkok 10500

Wednesday, June 25 2008

Beginning at 18:00

 

Complimentary

Seats are limited !!

 

Please reserve your seat on or before June 25, 2008.

GIA Laboratory Bangkok : 02 632 4090

or

GIA Thailand Campus : 02 237 9575 to 77

 

 
2008
 



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