Google+ The Daily Jewel: 3/12/17 - 3/19/17


Monday, March 13, 2017



One of a pair of Byzantine gold bracelets adorned with silver 
ornamentation and pearls, amethyst, sapphire, glass, quartz 
and "emerald plasma," ca. AD 500–700; overall dimensions: 3.7 x 8.2 cm. 
Inv. 17.190.1670, gift of J. Pierpont Morgan, 1917, 
Metropolitan Museum of Art, New York.

Registration is now open.

This SoCal favorite is named for one of the most distinguished and revered figures in gemology and mineralogy, the Sinkankas Symposium is a one-day event featuring presentations by noted specialists working in diverse gem-related disciplines. Each year a specific gem is featured and the theme of the Fourteenth Annual Sinkankas Symposium is Sapphire.

The Sinkankas Symposium has been described as the most important gemological conference in North America by respected authorities on gemstones. Organized by Roger Merk for 13 years (2003–2015), the annual event is co-sponsored by the Gemological Society of San Diego and GIA (Gemological Institute of America), which has provided the Symposium venue every year. Bill Larson has been a generous supporter and speaker at the event since its inception. 

So clear your Calendars for Saturday, April 8, 2017

At - the GIA (Gemological Institute of America) 
World Headquarters and The Robert Mouawad Campus

5345 Armada Drive, Carlsbad, CA 92008

Space is limited and is available on a first-come, first-served basis. 
 Registration is now open through April 2 or until tickets are sold out. 
 Registration for the one-day event includes refreshments, lunch and a copy of the 2017 Sinkankas Symposium volume, which features selected papers on Sapphire.

Registration: Register online (no paper forms, no on-site registration)

Cost: $95.00 per person through April 2 (or until sold out).


Recognized specialists in fields ranging from geology and mineralogy to history, treatment, cutting, collecting and selling will make presentations on Sapphire.

Edward Boehm – Sapphire Origin Determination: Past and Present

Dr. John Emmett – All the Colors of Corundum

Dr. George Harlow – Syenite-Hosted Sapphires – What's Going On

Alan Hart – Sapphires in the Crown Jewels

Richard Hughes – Sapphire Around the World

Carl Larson – A Collector's Perspective: Sapphire Crystals from Worldwide Localities

Glenn Lehrer – The Art and Science of Faceting and Carving Sapphire

Shane McClure – Sapphire Treatments and Their Detection

Nathan Renfro – The Microworld of Sapphires

Dr. George Rossman – Added Attractions on Color in Corundum

Dr. William "Skip" Simmons – Mineralogy and Crystallography of Sapphire

Lisbet Thoresen – Archaeogemology of Sapphire

* Speakers subject to change


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