SSEF မှ ပတ္တမြားမိတ်ဆက်

Learn all about rubies. Their fascinating history, how they form, where they come from. Learn about all the different origins of rubies and their treatments. Take this course as an introduction to the wonderful world of rubies.

သင်၏ သင်တန်းနည်းပြ

Swiss Gemmological Institute SSEF
Swiss Gemmological Institute SSEF

SSEF is a non-profit Swiss foundation whose aim it is to further the science of gemstone testing and gemmological training. We are one of the leading gem labs in the world and have scientifically tested many of the world's most prestigious gemstones.


တွင်ရရှိနိုင်ပါသည်။ ရက်များ
ရက်များ သင်စာရင်းသွင်းပြီးနောက်

မကြာခဏမေးလေ့ရှိသော မေးခွန်းများ

When does the course start and finish?
The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish.
How long do I have access to the course?
How does lifetime access sound? After enrolling, you have unlimited access to this course for as long as you like - across any and all devices you own.

ယခု စတင်လိုက်ပါ။