Black Bubble Opal Revealed!
20:14
$6000 investment - The best cut ever - Rare Harlequin Black Opal
12:22
The Best Australian Opal You've Never Even Heard Of - PIPE OPAL
11:19
Bubble Opal ..You Will NEVER Guess What's Inside!
15:22
Uncut gem black opal delivers a surprising result!
14:07
One Of The Rarest Finds In Opal Mining History ‘The Nest’ A Plate Of Three Opal Pineapples!
25:41
I made the SHARPEST Sword with wood, Goujian from 2500 years ago, same technic used by Liziqi
48:24
Making Opals for Free Air Conditioning
21:30