The Rock drops by to give some lessons about patience in opal cutting
21:41
A gambler? A gem cutter or a educated risk
14:29
How much fire can an opal have? We cut it
21:52
Kiket Island (1972)
28:05
IT HAPPENED AGAIN - ROUGH OPAL TURNS HARLEQUIN PATTERN
17:51
Miner parts with a 20yr old piece of rough opal treasure - I cut it!
8:55
The best crystal opal I have ever cut — just like the one my dad cut out of his opal mine
12:38
$20k gem black opal emerges from this uncut rough opal
21:03