Full-Day Cambodian Gemology Workshop from Siem Reap

A basic introduction to major gemstones commonly found in the cambodian marketplace. This beginning-level course stresses the important aspects of such gems as ruby, sapphire, zircon, peridot, garnet, topaz, aquamarine, crystalline quartz, chalcedony, obsidian, etc.

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

program:

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

In addition to the "half day class",

You will have the opportunity to change theory into practice by testing many more stones during the "full day class"

You will learn how to use laboratory tools:
- The microscope to see inclusions
- The density scale
- The refractometer to test the refractive index
- The polariscope
- The dichroscope
- The ultraviolets
- The spectroscope