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The International Colored Gemstone Association (ICA) announces the return of the ICA-organized Gemstone Industry & Laboratory Conference (GILC) to Tucson on Monday January 29, 2018.

When: Monday, 29 January 2018.
Where: Tucson Convention Center, Graham Room.
Time: 9:30 am - 1:00 pm.

After an introduction by newly elected ICA President, Clement Sabbagh, the main topics of discussion will center on color nomenclature and origin, including the following:


- The validity and necessity of terms such as Pigeon Blood, Royal Blue, etc.
- Validity and necessity for African Paraiba tourmaline.
- Update on the nomenclature for Australian opal.

The session will be moderated by ICA board member and Secretary Bruce Bridges, and will include short contributions by:
•   Jeffrey Bilgore, President of AGTA
•   Christopher Smith, American Gemological Laboratories, AGL (New York)
•   Dr. Adolf Peretti, GRS GemResearch Swisslab (Switzerland)
•   Dr. Laurent Cartier, Swiss Gemmological Institute, SSEF (Switzerland)
•   Dr. Lore Kiefert, Gubelin Gem Laboratories (Switzerland)
•   Andrew Cody, representative of the Australian Opal Association.

The event which is sponsored by B&B Fine Gems and supported by AGTA is strictly By-Invitation-Only*. For more information about the event, or ICA, contact the ICA office in New York by telephone at 1.212.620.0900 or by email at ICA@Gemstone.org.

For over two decades, the GILC, organized annually by the ICA, has provided a space for industry peers to discuss worldwide gemstone issues such as ethical practices, nomenclature, consumer confidence, terminology and laboratory certification.