红宝石和蓝宝石基础处理鉴定 (EWS05)

本课程主要讲授鉴别天然未处理宝石与处理宝石的方法,重点讲述红蓝宝石的常用优化处理方法。

Course Schedule

CodeCourseDurationStudy Date
EWS05
Basic Ruby & Sapphire Treatments Identification

09.00 - 16.00

 
2 days, USD 350 18 Sep - 19 Sep, 2017  Register Now!
26 Feb, 2018 - 27 Feb, 2018  Register Now!
18 Jun, 2018 - 19 Jun, 2018  Register Now!
17 Sep, 2018 - 18 Sep, 2018  Register Now!

Tag :

Analysis, separation, how to improve the quality of gems. Ruby and sapphire.

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