Identifying Opal Patterns
Opal connoisseurs all have their favorite opal patterns. Learn how to identify the patterns of these beautiful gems with plenty of photo and video examples.
6 Minute Read
Related Articles
Opal Stones and Gems: Value, Price, and Jewelry Information
Opals are in a class by themselves. As a species, opal is so unique it has its own descriptive vocabulary....
Read More
Appraising Opals
Opals are unique gems with their own unique terminology. Learn the modern standard system for classifying and appraising opals used...
Read More
How to Dry Opals Safely
Opals should be handled with care. If you buy opals that have been kept in water, follow these instructions to...
Read More
Opal Wearability and Jewelry Tips
Are opals too delicate for jewelry? Learn how to choose the right settings for opal wearability, so you can enjoy...
Read More
Latest Articles
Brazilianite Value, Price, and Jewelry Information
Brazilianite's lovely green to yellow colors make it a must for gem collectors. Large faceted stones are often flawed, but...
Read More
Ruby-Glass Composites vs Leaded Glass Clarity Enhancements
Ruby-glass composites and leaded glass ruby clarity enhancements are difficult for gemologists to detect. Learn how to identify these gems...
Read More
Morganite Buying Guide
Complete morganite buying guide covering the 4 Cs, treatments, and pricing. Learn how to choose the perfect pink beryl gemstone...
Read More
How Do Amethysts Form?
Discover the fascinating geological journey that transforms colorless quartz into vibrant purple amethyst through volcanic processes, iron impurities, and natural...
Read More
Never Stop Learning
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get Gemology Insights
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!