11:25

NEW Black Opal -- How Does It Compare?

11:38

Is Your Opal CRACKED? ARE YOU SURE?? -- also - Ocean Jasper

10:33

Opal and other Beautiful Gems! In Tucson

12:04

OPAL: Australian vs. Ethiopian ??

07:52

Here's Looking at You -- The Opal Project

05:21

Making Fake Opal Sunglasses - Everybody Needs a Pair!

10:00

Boulder Opal - Bigger & More Unusual Than You Think! — Koroit!

10:40

Fossil Fantastic: Gem Opal Pipe Dream

10:49

HUGE Black Opal Turned into ???!

12:27

CUT TO PIECES!! GIANT 370 ct. OPAL BLOCK!

07:06

I LOVE This Opal Pendant!

04:49

AMAZING Matrix Opal Gemstone Pendants!

11:08

Rough Opal Buying Guide

18:17

How to Make Opal Arrowhead ... IF YOU DARE!

14:51

BIG BAD OPAL -- 2.2 lbs!

13:22

GONE FOREVER! The TEXAS Septarian Nodule Saga

18:03

You Will Never Pass - The Great Opal Quiz

12:25

RUSH JOB! One Hour Opal Pendant!!

12:40

Ripped Off Fake Opal !!

11:04

Unbelievable Discovery! The Finest of all Opals - Gem Matrix - (Andamooka Matrix Opal)

14:57

Making the WORLD'S BEST Opal Pendant!

05:09

The Basics of Ethiopian Opal

09:00

Getting the Best for Less - Opal Matrix Gemstones!

05:45

Exposed! Beautiful Thin Color Bar - Mintabie gemstone Opal

10:04

THE CHEAPER THE BETTER! 15 oz of CHEAP Australian Opal gemstones!

04:22

The Most Spectacular Agate on Earth

12:38

HUGE BEAUTIFUL JELLY OPAL - From Mintabie, SA -- gemstone

10:48

Block Party! Huge Opal Gemstone Block!

14:26

Opal Dopping Secrets ............ shhhhh!

18:11

Brilliant, But Not Perfect - Lambina Gem Opal Rough -- 19 carats

06:02

Opal ARROWHEADS! Gemstone Brought to a Point!

08:08

Re-working a Small Opal Gemstone

06:31

Failure is NOT an Option!

05:57

Fabulous Opal from Mintabie, South Australia

02:49

Making an Opal Gemstone Ring - Step-by-step

01:30

How To Identify Ethiopian Opal Gemstone

07:06

DEATH OF AN OPAL MINING TOWN: Mintabie, South Australia gemstone

16:46

Brilliant Green Matrix Opal Pendant - Cutting Rough, Treating and Polishing Gemstone

10:54

Risk vs. Reward: Cutting a 161 ct Rough Coober Pedy Opal Gemstone

09:00

Rough Opal - Some of the Basics

04:52

THE BEST Rough Opal? 250 ct. Opal Gemstone - "DESERT QUEEN"

11:58

How to Cut Opal - Step by Step using Andamooka Matrix Opal Gemstone

05:21

Spectacular Opal Gemstone and Diamond Bracelet

08:01

7 3/4 oz Rough Opal from Coober Pedy's Olympic Field

02:52

HOW TO TREAT Matrix Opal: STEP BY STEP. (Create Your Own Black Opal Gemstones!)

00:24

Opal Gemstone Bezel Mount Pendant

02:10

Making an Opal Gemstone Pendant

01:08

Large Opal Gemstone - 250 ct. "Desert Queen" -- Color Bars

08:55

Making an Opal Doublet Part 1 of 2

08:42

Making an Opal Doublet Part 2 of 2

04:29

HUGE BLACK OPAL Gemstone Pendants at a Reasonable PRICE?

07:27

600+ grams of rough Andamooka Matrix Opal

02:16

Coober Pedy Ring - Silent Movie

12:05

Andamooka Matrix Opal Treatment!

08:44

Cutting 106 ct. Mintabie Opal Part 3 of 3

08:55

Cutting 106 ct. Mintabie Opal - Part 2 of 3

08:55

Cutting 106 ct Mintabie Opal Gemstone Part 1 of 3

08:57

Huge Rough Specimen: Olympic Field Opal from Coober Pedy

12:00

2 62 ct Opal Pendant Cutting and Setting

00:59

Spectacular Opal Gemstone Pendant (in white gold and diamond setting)