Andamooka opal: a better look.
14:13
Andamooka opal mining: getting closer.
37:56
Andamooka concrete matrix opal treatment.
6:44
@deanmadley I Didn't Get To Test Your New Sluice But We Did Get To Try This Thingy Out 😁
14:14
Huge Haul From Problem Opal
14:48
Andamooka opal: straight from the field.
11:04
Unbelievable Discovery! The Finest of all Opals - Gem Matrix - (Andamooka Matrix Opal)
7:06
DEATH OF AN OPAL MINING TOWN: Mintabie, South Australia gemstone
25:06