Gem-A Live: Understanding Gemstone Species and Varieties

Описание к видео Gem-A Live: Understanding Gemstone Species and Varieties

What makes an emerald an emerald and not an aquamarine? Gem-A tutor, Lily Faber FGA DGA, presents this webinar on gemstone species and varieties, providing an overview of the well-known groups beryl, corundum, garnet and quartz. This webinar also covers:

Chemical Composition
Inclusions
Causes of Colour
Optical Effects

This webinar was created as part of a weekly series of webinars known as Gem-A Live.

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