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Gem Knowledge
Gemstone Guide: Understanding Moonstones and Adularescence
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Buying Guide: Get to Know the Feldspar Family of Gemstones
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Gemstone Discoveries: What Is the Likeliness of Finding a ‘New’ Gemstone?
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Gemmology Insights: The Crown Jewels for the Coronation of King Charles III
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Understanding Common Corundum Treatments
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Buying Guide: Get to Know the Different Types of Chalcedony
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Common Mistakes: The Pitfalls Many New Gemmologists Encounter
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Top 5 Most Recognisable Gemstone Inclusions for Gemmologists
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Understanding Precious Black Opal and its Properties
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Understanding Zircon: A Misunderstood Gemstone with Amazing Properties
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Beginner’s Guide: Everyday Gemstone Identification in the Field
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Buying Guide: What Are the Different Types of Tourmaline?
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Home
About
History
Coat of Arms
Staff
Officers and Council
Partners
Find us
Work at Gem-A
Press Releases
GemIntro
GemIntro - ENG
GemIntro - CHT
Education
Membership
Membership Types
Membership Resources
FGA & DGA Register
The Journal of Gemmology
Archive
Editorial Staff
Submissions
Sample Articles
Gems & Jewellery
Archive
Editorial Staff
Submissions
Media Pack 2023
Gem Hub
Events
All Events
Field Trips
Conference 2022
Conference 2023
Graduation 2023
Shop
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