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The Challenges of Valuing Opal
Classification and GradingOct 14, 2014
The challenge of valuing opal: Why can't it be easy?

Let’s face it; it’s hard to value opal. Some days we all wish it were as easy as diamonds. Cut, colour, clarity and carat and viola – it is done. Yes, I know the experts will say that diamonds are ...

Top Gem Black Opal
Classification and GradingJul 23, 2014
What does a top gem black opal look like?

In all the time I have been dealing in opals from Lightning Ridge, I have seen some pretty amazing gemstones. But don’t you think the term “top gem” has become a bit overused lately? eBay is awash...

Solid Opal vs Triplet Opal
Classification and GradingJul 23, 2014
How to identify an opal triplet

Opal triplets have fooled many people. They think they are buying a solid opal, but the gem or jewelry piece is only a slice of opal that is enhanced. Don’t get me wrong; triplets have their place ...

Black Opal vs Crystal Opal
Classification and GradingApr 17, 2014
Opal Types: Black Opal vs Crystal Opal

What is a Black Opal? Black opal is the most rare and valuable of all the opal types in the world. It is only found in very few pockets at either ends of the earth. Mostly black opal is found in a ...

The Difference Between White Opal and Crystal Opal
Classification and GradingFeb 5, 2014
The Difference Between White Opal and Crystal Opal

Though they may look similar at times, white opal and crystal opal have distinct differences.  This big difference boils down to two main characteristics; translucency and transparency.  Crystal o...

The difference between black opal and crystal opal
Classification and GradingJan 14, 2014
The difference between black opal and crystal opal

How is it that opals from the same place can be so different? In today’s video, I explain the difference between black opal and crystal opal and how you can spot them!Crystal opalA great way to che...

Opal Patterns
Classification and GradingSep 11, 2013
Even more opal patterns: Part 2

This is part 2 of opal patterns explained (you can catch up with part 1 here). Now that you are familiar with the differences between Rolling Flash and Broad Flash patterns, we introduce another fi...

Opal Patterns Explained
Classification and GradingAug 22, 2013
Five Opal Patterns Explained

Every opal is unique but with my help, there are a few common patterns that you’ll be able to recognise! Today I’m going to take you through some of the stones in stock and talk about five differe...

What is a Black Opal?
Classification and GradingApr 1, 2013
What is a Black Opal?

When you work closely with opal for over 30 years, you can sometimes forget how important the most obvious questions are! In this video, I help you understand what black opal is and why it is so v...