Course III – 2021
TOPAZ – GARNET – SPINEL – OPAL
The fascination of gemstones – Introduction to gemology
In addition to the introduction to gemology (the science of gemstones), this course covers everything you need to know about topaz, the exciting garnet group – did you know that the most valuable garnets are green? – the spinels from the unknown gemstone to the superstar, the opals – one stone, hundreds of colors, how is that possible? – received
Find out how they are created through their origin, processing, qualities, retail prices as well as their syntheses, treatment methods, and imitations. You also have the opportunity to work practically on gemological devices.