NAJA Hosts Workshop at Tucson

The National Association of Jewelry Appraisers will host the Cross Polarized Filter Workshop for gemologists and appraisers on Saturday, Jan. 29 at the Tucson Convention Center.
The one-hour lecture and two hour hands-on practical CPF Workshop will focus on identification of diamond treatments and synthetic diamonds.
The class size is limited to a maximum of 20 with a registration fee of $115.
Branko Deljanin, GG, FGA, DUG, and Dusan Simic, FGG, SGC, principals of Deljanin & Simic Gemological Services, will administer the workshop.            
Registration applications can be obtained through the NAJA website, fax or email request to NAJA.  Deadline for registration is January 15, 2011.
For more information, e-mail or visit

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