ورک شاپ عملی روش های جدید شناسایی ماهیت الماس

(CVD & HPHT)

طبیعی، بهسازی و روش های مصنوعی و متشابهات الماس

 MS Wilma van der Giessen

  

ثبت نام به تعداد محدود 

جهت اطلاعات بیشتر روزهای شنبه تا چهارشنبه ساعت 8الی 15 با شماره تماس های 22431766-29905602 تماس حاصل فرمائید.

 

One day workshop

 

New techniques to identify the true nature of a diamond: natural, treated or lab-grown (CVD&HPHT) & simulants lecturer: Wilma van der Giessen, GG, FGA

 

Wilma van der Giessen

Wilma van der Giessen,fga,gg

Van Gaesbekestraat 40

2274 RW Voorburg

The Netherlands

Email: این آدرس ایمیل توسط spambots حفاظت می شود. برای دیدن شما نیاز به جاوا اسکریپت دارید

Date of birth: 20 march 1961

 

More than 35 years retail experience, several translations for gemmological institutes. research on gems .valuations, lectures about diamonds and gems,

 

Specialities: gem identification, fancy coloured diamonds, diamond grading, jewelry design, sales.

 

Training people about gemmology and diamonds: i organize private gem and diamond courses.

 

Research on all gemstones and diamonds

Private gem and diamond training

Lectures and Presentation (SHELL,IWC,PWC )

Translations for Gemmological Institutes (Gem A, IGI)

 

Education

Gemological Institute of America

GG, gemmology and diamond technology

1986 – 1991

diamonds and diamond grading

coloured stones and coloured stone grading

gem identification

Activities and Societies: member alumni association GIA

Gemmological Association of Great Britain

FGA, gemmology and diamond technology

1984 – 1985

gem identification

Deutsche Gemmologische Gesellschaft

Diamond grading, gemmology and diamond technology

1981 – 1985

Schoevers College

french, german, spanish

French, Spanish, German

international gemmological institute

diamonds

1995 – 1997

diamond grading, rough diamond grading 

 

• قبلی