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Home / Opal Classification / Opal bodytone and brightness grading system explained
Posted on 03/12/201211/05/2016 by Justin Thomas

Opal bodytone and brightness grading system explained

Written by
Justin Thomas
Posted in
Opal Classification
Tagged
video
Comments
4 Comments

In this video you will see the opal bodytone and brightness grading system used by opal sellers worldwide. I use real opals to show you a hands on feel to the way the scale works.

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