The Journey of the MUZO Companies Colombian Emeralds
26:14
MINERAL EXPLORERS | S1 | Ep2 | COLOMBIA
23:16
4000 dead in the Emerald War: King Carranza against the Drug Cartels
20:07
Cutting a Massive Gemstone Over 1000 Carats! How I Facet This Jumbo Quartz
52:27
The Emerald of Colombia documentary of Patrick Voillot
28:57
MOST EXPENSIVE Gemstones Ever Discovered
50:49
Why is the emerald more coveted than the diamond?
16:40
Why The Most Dangerous Silver Mine In The World Could Collapse | Risky Business
20:33