Mining Andamooka opal.
39:22
Opal: mining and gemstones.
36:21
Finding Opals in Andamooka.
29:18
Mining topaz and aquamarine and building a mountain road | Mt. Antero Treasures S4:E1
54:58
Opal cutting, mixed fields.
16:19
My Opal Journey- Stone 254. Aventure time!
1:41:44
The BEST OPAL HAULS Of Season 9! | Outback Opal Hunters
37:18
Un expert révèle les secrets de la géologie aux chercheurs d'or
48:11