Fakes and Synthetics

Fakes and Synthetics

How to spot treated opal

This week Justin will take you through some obvious and not so obvious differences between natural Australian black opal and treated black opal. Key factors … Read more

Smoke treating an Ethiopian opal

I smoked an Ethiopian opal

Ethiopian opal is beautiful but very different to Australian opal. Today, I show you how Ethiopian opal can be treated to look like glass or … Read more

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