Episode 15: Ethiopian Opals
20:12
Episode 44: Ametrine
17:06
The complete guide to Ethiopian Opals
13:19
Episode 17: Labradorite
16:09
Gem Adventures In Ethiopia: On The Hunt For Opal
13:53
Treating Andamooka Colour Concrete (aka Rainbow Matrix)
33:51
Episode 38: Sapphires
17:16
The Magical Powers and Secrets of Copper in African Spirituality.
23:07