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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...

New: Independent Valuation for Opal
Classification and GradingMar 29, 2013
New: Independent Valuation for Opal

We are proud to now offer all customers purchasing opal the addition of an independent valuation. An independent valuation provides you with peace of mind that you are purchasing a natural opal. Th...

Classification and GradingNov 13, 2012
Blue Opal

Blue Opal is a common term that refers to the dominant opal color, not the body color (i.e. black, semi-black, white), as is thought by some. Universally blue is the most popular color globally and...

Difference between Rough Nobby Opal and Seam Opal
Classification and GradingOct 10, 2012
The difference between rough nobby opal and seam opal from Lightning Ridge

There are two types of rough opal found in Lightning Ridge; nobby opal and seam opal. What are they? And how can you spot them? Rough Nobby Opal Rough nobby opals are found mostly in the Cooceran ...

Harlequin Opal: The Rarest Black Opal Pattern of them All
Classification and GradingOct 10, 2012
Harlequin Opal: The Rarest Black Opal Pattern of them All

Nowadays, we refer to lots of different types of harlequin pattern in opal. It has become a bit of a catchall phrase for great blocks of pattern arranged in a manner pleasing to the eye. Some of th...

Classification and GradingMay 2, 2012
Opal Fossils

Opal fossils are opals formed in the cavity left underground by an animal that has perished and left the shape of its former self to be filled by silica spheres over many years. The rain that falls...