The Tanzanite Story
51:22
Tanzanite from Tanzania documentary of Patrick Voillot
26:56
GRS Gemresearch Documentary: The Mozambique Ruby Collection - A Lifetime Experience
20:49
The Story of Tanzanite. What Makes This Gem Extraordinary?
46:48
Three Precious Gems: Rubies, Emeralds, Sapphires
20:03
Vietnam Unearthed: Ruby, Spinel, Sapphire and more, explore gemstones and gem mining in Luc Yen.
3:26:26
*Warning* (VERY STRONG), Let the universe send you money, Huge amounts of money very quickly
28:08
How to find Diamonds in Rivers or Volcanic Rocks near YOU
38:39