Opal

Take a look at the IGS member survey results for opal polishing. You’ll find recommendations for polishes, laps, and techniques for handling these…

Some opals from Spencer, Idaho show asterism or the “star stone” effect. Learn how to price these beautiful but rare star opals.

Opal Auctions is the worlds leading supplier of Opals online. We partner with opal miners, cutters and dealers to bring you the very best price and…

Cabochon cuts are popular for showcasing opal doublets. Learn a trick for making a bezel setting for doublets that are wider on top than the bottom.…

Successful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called “Flat…

Covers essential opal faceting information and related issues, research, tips, and guides about Opal Faceting. Choose what best fits the…

I cut this stone in the shape of a guitar pick. It has some interesting mossy looking stuff in it as shown in the photo, and the play of color is very interesting.…

This opal is a bit on the thin side, but consequently faces up to be very large for what it weighs. It has very good rolling broadflash, as shown more…

A radiocative looking faceted opal with strong yellow flashes and moderate blue fire. Better in person than in the photo.