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
Specific Gravity Testing Part 5: Using Heavy Liquids
Using heavy liquids to measure a gemstone's specific gravity poses some health hazards. Learn the techniques and precautions that gemologists...
Read More
Identifying Inclusions Found in Natural Gems
Successful tips and guide in identifying Inclusions Found in Natural Gems. Read and learn several ways to identify inclusions found...
Read More
Gem Origin Opinions: When Gemology Labs Agree to Disagree on Sapphire Origins
Why do gemology labs sometimes have different gem origin opinions, especially for sapphires? Learn the science and history behind the...
Read More
Buying Gems: Test Your Identification Skills
When buying gems, gemologists must temper their excitement with an analytical eye. Test your gem identification skills with these quizzes....
Read More
Latest Articles
Mineralogy of Phosphates and Other Rare Minerals
Although phosphates and other mineral classes are rare, they still have species with important uses. Learn how to identify these...
Read More
Destructive Gemstone Tests: Dye Testing
Gemologists can use dye testing to determine if a gemstone has been dyed to alter its color. Learn how to...
Read More
Scheelite Value, Price, and Jewelry Information
Large, faceted scheelites are among the most beautiful of all collector’s gemstones. They occur in many colors and fluoresce very...
Read More
Polariscope Guide, Part 2: Testing for Optic Figure and Sign
Learn how to use a polariscope to find the optic figure and sign of a gemstone. This is an important...
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!