Emeralds of Goias, Brazil by GIA
25:48
Zambia Documentary from 2010 - Gemporia
14:58
Bolivian Ametrine by GIA
1:04:03
Wilensky Exquisite Minerals - Magnificent Emeralds: Fura's Tears
5:55
KAGEM in ZAMBIA, The World's Largest Emerald Mine.
15:09
Brazil's Hidden Gem in Cowboy Country... | Pirenopolis, Goias, Brazil. Travel form Goiania, Brasilia
16:03
Altın hangi kayalarda bulunur serisi - 1
26:56
GRS Gemresearch Documentary: The Mozambique Ruby Collection - A Lifetime Experience
3:58:39