Exploring Unique Large Gemstones
22:25
Unboxing a Presidential Collection: Part 1
14:38
A brief history of powerful gemstone amulets | V&A
17:41
Emeralds: Colombia & Beyond
20:03
Vietnam Unearthed: Ruby, Spinel, Sapphire and more, explore gemstones and gem mining in Luc Yen.
14:21
All About Purple Gemstones
15:03
The Largest Prehistoric Copper Mine in the World
28:57
MOST EXPENSIVE Gemstones Ever Discovered
15:53