3 h

Puoli päivää

Työpaja

Lisätietoja aktiviteetista

How not to fall into the trap of fake gemstones sellers? How to recognize natural gemstones, synthetics, treatment? How to estimate the quality and pricing? You will get answers to all your questions during this class

The class program includes:

Gem identification
- by types
- by origin
- gemstones families
- gemstones optical phenomena

Synthetic & treatement
- Heating
- Glass filling / Fracture filling / Flux Healing
- Irradiation
- Bleaching
- Dyeing
- Diffusion
- Oiling
- Impregnation
- Coating
- Doublet
- Triplet

Pricing & Grading

4C's:

Color

Clarity

Cut

Carat weight

Leave the class with a higher understanding of where gemstones come from and how to successfully identify their various facets.

Lue lisää Näytä vähemmän

Sisältyy

Hotel pickup and drop-off (if option selected)
All taxes, fees and handling charges
Professional guide

Ei sisälly

Personal expenses
Gratuities

Lisäksi

Confirmation will be received within 48 hours of booking, subject to availability
A maximum of 10 people per booking
Wheelchair accessible
Stroller accessible
Transportation is wheelchair accessible
Surfaces are wheelchair accessible
Most travelers can participate

Ominaisuudet

Turismi

85%

Kulttuuri

75%

Omaperäistä

20%

Adrenaliini

15%

Arviot

3.7

3

C

Cheri B

5 | 2017-04-05

Philippe was knowledgeable and very thorough in his explanations, not to mention very generous with his time. My three hour workshop stretched to nearly four hours and left me wanting to study gemology because it was so interesting!

Valikoimat Tämä kokemus kuuluu seuraaviin valikoimiin