Gem-A Live: Man-made Stones Explained
![](https://i.ytimg.com/vi/0q-3OCP79-U/mqdefault.jpg)
1:03:46
Gem-A Live: Laser Drilled Diamonds
![](https://i.ytimg.com/vi/tjN1yfKIFz0/mqdefault.jpg)
1:11:32
Gem-A Live: Understanding Gemstone Species and Varieties
![](https://i.ytimg.com/vi/Xg1V78SQP0Q/mqdefault.jpg)
51:31
Gem-A Live: Introduction to Diamonds
![](https://i.ytimg.com/vi/MMiWciTNJCc/mqdefault.jpg)
43:55
How to Use Microsensors in Microbiology, Biomedical Sciences, and Renewable Energy Research
![](https://i.ytimg.com/vi/uE_Qnsh1_2A/mqdefault.jpg)
14:11
How a CVD Diamond is Made
![](https://i.ytimg.com/vi/VAbxAtEJ_LI/mqdefault.jpg)
46:48
Three Precious Gems: Rubies, Emeralds, Sapphires
![](https://i.ytimg.com/vi/1WsM1iucQpo/mqdefault.jpg)
53:11
Finnland | Unterwegs im hohen Norden | ARTE Family
![](https://i.ytimg.com/vi/MLV1pPvTpIw/mqdefault.jpg)
8:46