Видео с ютуба Rough Opal

Обработка австралийского опала Лайтнинг-Ридж наждачной бумагой (в частности, чёрного опала)

Watch me cut a $100 rough opal into a $2000 gem

Does this rough opal become the cut of the decade?

High grade rough opal has huge potential to cut thousands $$$

Huge Rough Opal with a Hidden Bar of Color - The Result is Ridiculous

SUROWY OPAL SZLIFOWANY WZÓR HARLEKINA CZARNY OPAL - 1 na 10 000 KLEJNOTÓW

Gem rough opal with bright colours - Packs a punch - I'm going in!

Rough opal cut of the year - I make a huge $45k profit

116-karatowy nieoszlifowany surowy opal z inkluzjami - szukamy najlepszych możliwych szlifów i po...

Rough Opal Buying Guide

Cutting a large rough opal into a ripper $12,000 Gem

Rough Opal - Some of the Basics

The Opal Whisperers Find LITERALLY The BIGGEST Opal In Outback Opal Hunters' History!

Forty Year Old Rough Opal — Its time is up. I'm going to cut it!

950 carat uncut gem rough opal - I'm going in!

The Difference Between Opal Rubs And Rough Opal. Opal Rub Cut and Polish.

Rough opal with thick gem red color bar. I expose it & I love it!

Largest Seam Rough Opal I Have Seen in Years!

$20k gem black opal emerges from this uncut rough opal

Watch a black opal emerge from a piece of Australian rough opal

Эфиопский опал для «ЧАЙНИКОВ» — все, что вам нужно знать!