Opal Polishing Survey Results
Take a look at the IGS member survey results for opal polishing. You'll find recommendations for polishes, laps, and techniques for handling these popular gemstones.
1 Minute Read
Editor's Note: Some years ago, the International Gem Society (IGS) conducted a survey of members' polishing techniques. Here, you'll find the results for opal polishing. Whether you're just starting to learn the art of gem cutting or just looking for a new way to tackle a problematic gem material, we hope these results provide some useful suggestions.
For more opal polishing recommendations, see the survey results for gems with 4-6 hardness.
For more information about the survey or to find results for more gemstones, click here.
Opal Polishing Techniques
|Lap Type||Polish Type||Lubrication type||Votes|
|Ultra Lap||Cerium Oxide||water||14|
|Tin||50k diamond||olive oil||4|
|Copper||Diamond||Crystalube or similar||4|
|Felt||50k/Linde A mix||water||1|
|Spectra (Ultra Lap)||Cerium Oxide||Colloidal Silica||1|
- Polishing agents and lubricants divided
International Gem Society
Opal Stones and Gems: Value, Price, and Jewelry Information
Gemstone Doublets, Triplets, and Other Assembled Stones
Tips for Cabbing and Carving Opals
An Interview with Opal Expert Joel Ragan
Crystalline Quartz Buying Guide
How Does Vapor Deposition Create Mystic Topaz and Aqua Aura Quartz?
Spurrite Value, Price, and Jewelry Information
Lapidary Technology Through the Ages: Laps and Polish
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!