|
|
|
GIA Symposium 2011 Day 2
|
|
The second day of the annual Gemological Institute of America (GIA) Symposium began Monday morning with a series on gemstones. The first part of the event discussed color stones and pearl identification, followed by a forum on the...
|
|
|
Research
|
May 30, 2011
|
Ricci Dipshan
|
|
|
