Identifying Inclusions of Specific Gems
Some natural as well as synthetic gems have specific, characteristic inclusions. Learn the identifying inclusions of some of the most popular gems.
13 Minute Read
HomeLearning CenterGemologyGemstone Testing and IdentificationIdentifying Inclusions of Specific Gems
Related Articles
Eight Opal Types Explained
Opal is a complicated gemstone, and many factors affect its price. Learn how to distinguish these eight opal types and...
Read More
Difficult Gemstone Separations
Two of the trickiest gemstone separations to make are scapolite from citrine and apatite from tourmaline. Learn some tips for...
Read More
Destructive Gemstone Tests: Acid Testing
Acid testing is a destructive procedure gemologists can use to determine if some pieces are real or fake. Learn how...
Read More
Identifying Garnets Simplified
Identifying garnets by species is complicated. Learn how to use refractive index, hue, and absorption spectrum readings to simply the...
Read More
Latest Articles
Distinguishing Aquamarine Imitations
How can gemologists quickly distinguish aquamarines from aquamarine imitations? We’ll review some common lookalikes and their most notable differences.
Read More
Gemstone Orientation for Beginners
Choosing the best gemstone orientation for your rough takes skill and experience. Learn what factors you should take into account...
Read More
Amber Value, Price, and Jewelry Information
Amber is the hardened resin of ancient pine trees. This organic substance is most well-known for the incredible inclusions of...
Read More
Some Pointers on Selling Gemstones
What does it take to succeed at cutting and selling gemstones? Jeff Graham offers newcomers some advice on treating faceting...
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!