Posted on Leave a comment

The dangers of opal cutting

   Justin explains the dangers of opal cutting and his change from sandpaper to the Nova wheel; why change? What difference does it make? And how did it help that annoying cough he used to get?! In this video, Justin dives in on the strengths and weaknesses of these opal cutting methods and why the Nova wheel is the best way to go. The Sandpaper Wheel The sandpaper wheel needs to be changed every two weeks or it cracks and wears thin, this caused Justin to have to painstakingly pick off the flakes with tweezers! Justin would have to wear down the 360 grit sandpaper with a large piece…

Read More
Posted on Leave a comment

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!…

Read More
Posted on Leave a comment

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…

Read More