Field Expedition Research Update on the Colombian Emerald Industry
DATE:2018-12-19 VIEWS:7102 SOURCE:

                                      Andrew Lucas:

                              Vice President of Guild Institute of Gemology

                              33 years experience in gem and jewelry industry

                              28 years with the GIA as an Education expert and Field Gemologist

 

                              Presentation Title:

                              Field Expedition Research Update on the Colombian Emerald Industry

 

 

 

 

 

 

 

 

 

 

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