3 bars of opal color. Which one do I cut?
19:58
Large Rough Opal cuts 3 gems worth over $20k
12:09
I cut this rough white opal into a dazzling gem
16:51
$800 spent - Do I get my investment back
12:38
$20k gem black opal emerges from this uncut rough opal
12:22
$500 Purchase turns insane profit?
27:11
SECRETS of BOULDER OPAL: An Aussie Miner Tells His Tale
15:22
Uncut gem black opal delivers a surprising result!
46:17