How to make and identify an opal doublet

Opal doublets are a fantastic way to achieve a great looking black opal at a fraction of a solid price. They are a great choice for many of us when looking for a champagne taste opal on a beer budget. We thought you might like a video with a few tips and detail.

In this video, we show you how a doublet is made. This video will enable you to have a go in making your own – or – if you are not into lapidary – at least give you a head start on what a good quality doublet opal should look like and allow you to talk like a pro when purchasing one!

As you will see from the video, choosing and making a good quality opal doublet is all about your backing material – in our case, we only use potch (colorless opal) and some good quality 2 pack glue.

Happy watching, and I would love to hear your stories – have you made doublets before? Do you own a beautiful one? Click to comment, and as always, we are happy to answer your questions.

8 thoughts on “How to make and identify an opal doublet”

  1. Justin…..thank you for your news letter. I am starting to do some simple work on lapidary using cheap quartz. later when i am better i shall like to buy some rough from you .Your black opal stones are so attractive. As with so many out there, i appreciate and thank you for so much info you give on your videos. wish you well, regards. ray lye

    • Hi Ray you are welcome on the video. I will be here when you need me. I will have some new rough opal in the next few weeks

  2. Thanks for the tip using the black power. I have made many doublets & triplets from Spencer Idaho opal, gluing to a black basalt base.

    • Yes you can use any dark base including black glass. Anything will work as long as you use the oxide powder. You will get the black in the opal

  3. I cannot find black oxide you are showing in this video. Where do you buy it? If I use black epoxy – will it be the same?

      • Thank you, found it. Black Iron Oxide – right? I was looking for exact same can you were showing in a video. Found other options. I cut some opals and they came out very nice, but not thick enough to put them into a jewelry. I was thinking adding some backing and they look much better on a black background. Will experiment.

        • yes that is it. If the piece of opal is clear enough for the black backing to darken the piece then it is worth it. The whole reason for making a doublet is to make it mimic and black opal. I hope this helps


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