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What’s inside the nobby opal: Part 2

Cutting and grading rough opal nobby

Last week I explained in detail the features of rough opal nobbies and what to look out for. This week I’ll show you exactly what we get out of the piece of rough opal by cutting that very piece. We spoke about the white cap on the top and the other features that makes most opal people go weak at the knees. The video does do a quick review but you can read more here. In this video I expose the gems secrets and critique the nobby opal. In addition cutting and critiquing I also estimate a value which I know is useful as you all keep asking me to do it!…

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Watch a rough opal piece transform and then be appraised.

So many times now I have taken a video of a rough opal that I’ve cut and polished. For once I wanted to show you how opal can have a mind of its own and even with all my experience I can still get it wrong. If you would like to see a nice gem cut to perfection click HERE As I cut this opal on the opal cutting wheel I start to expose the nice gem color hoping for a top gem. I estimated a gem around the US$2000 but I didn’t account for a few things. The potch bar was not even and the color bar was not…

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Slicing Opal Without A Slicing Machine

So often we have to buy expensive cutting equipment to do certain jobs with opal. But there is a shortcut when it comes to slicing opal. You will see in this video Justin showing you the steps it takes to slice opal without a slicer. By just using different parts of the cutting wheel you can slice an opal but this doesn’t work on all facets of slicing (pardon the pun) Watch the video and let me know what you think?

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