GEMSTONES IN A MINUTE - Tourmaline, Ruby & Sapphire

Enjoy the second and third episodes of original educational series "Gemstones in a Minute". Let's explore #Gemology together in the best way you can imagine - fun, easy, masterly, colorful, FREE and presented by your humble guide Vlad Yavorsky.

In episode 2 you will learn the basic gemological facts about natural Tourmaline: its crystallography and mineralogy, chemical and optical features, colors and varieties, and extraordinary properties such as electric charge. 
In episode 3 we are ready to share with you the most valuable information about Corundum: Ruby and Sapphire! You will learn the origins, colors, chemistry, value and all the essentials.

We're working on the next releases right now, so we really need your comments below - what can we improve to make them even better for you? Don't forget to like this video on YouTube and subscribe to our channel. Stay tuned for news on the new generation of #gemeducation!