I cut $15,000 out of this rough opal. One of my best wins!
12:38
$20k gem black opal emerges from this uncut rough opal
19:58
Large Rough Opal cuts 3 gems worth over $20k
16:54
Forty Year Old Rough Opal — Its time is up. I'm going to cut it!
20:22
3 bars of opal color. Which one do I cut?
17:51
Miner parts with a 20yr old piece of rough opal treasure - I cut it!
20:52
"Big Rock Crusher Machine: A Giant in Action"Big Rock Crushing: A Powerful Process"#stonecrusher
13:06
Glowing rough opal has the potential to cut a top gem
16:46