An Introduction to Gemology
The basic building blocks of understanding the science of gemstones.
How Do Turquoises Form?
A History of Silver Mining in the United States
What are Balas Rubies and Ruby Spinels?
How Do Spinels Form?
What are Cobalt Spinels?
Jade Color Trade Names
Maw Sit Sit Guide
How Does Jade Form?
Does Chrysoprase Jewelry Fade?
Gemstone Care Guide
An Introduction to Gem Identification
What are Lab-Grown Sapphires?
Natural Pearls vs Cultured Pearls
A World of Crystals
Top Spots for Gem Hunting in the US
Gem Formation: How are Gemstones Created?
An Introduction to Gemstone Inclusions
What are Crystal Systems and Mineral Habits?
Gemstone Hardness and Wearability
Opal Wearability and Jewelry Tips
Guide to Organizing Your Gemstone Collection
Take the Birthstone Quiz
How to Start a Gem Collection
Understanding Gemological Formulas
What is Gemstone Luster?
What is a Gem?
A Guide to Gem Classification
What are Allochromatic and Idiochromatic Gems?
Mechanical Gemstone Cleaning
What is Gemstone Dispersion?
What are Gem Species and Gem Varieties?
How Do Aquamarines Form?
Trapiche Gems: An Introduction
Understanding Gem Synthetics, Treatments, and Imitations, Part 5: Gemstone Treatments
What is a Crystal?
What is a Gem Reflectometer?
What are Gemstone Absorption Spectra?
Recommended Gemology Tools and Instruments
Spectroscope Instructions for Novice Gemologists
How Do Garnets Form?
How to Clean Your Gemstone Jewelry
How Does Quartz Form?
How Does Topaz Form?
How Do Tourmalines Form?
How Do Emeralds Form?
What’s the Difference Between Rubies and Pink Sapphires?
How Do Rubies and Sapphires Form?
Keshi Pearls and Soufflé Pearls
Tahitian Pearls: Beautiful Black Pearls
South Sea Pearls: the Complete Guide
Freshwater Cultured Pearls
Akoya Pearls: the Complete Guide
How Do Pearls Form?
Uncommon Elements Make Uncommon Gemstones
Desert Prospecting: Discovering California Turquoise
How Do Opals Form?
Gemology Career Options
An Introduction to Gemology
What is Gemstone Transparency?
A Brief History of Diamonds
Opal and Pearl Care Guide
What is Gemstone Birefringence?
An Introduction to Fancy Gem Cuts
A Guide to Gem Cutting Styles
Gemstone Facets: Terminology and Functions
An Introduction to the Lapidary Arts
Basics of Gemstone Density and Specific Gravity
Precision Faceting a Story Gemstone: Custom Faceting Advice
Precision Faceting A Story Gemstone: The Faceting Process
Precision Faceting A Story Gemstone: Faceting Equipment
Precision Faceting A Story Gemstone: Gem Design
Precision Faceting A Story Gemstone: Choosing Rough
IGS Certification Exam: Sample Gemology Questions
Understanding Gem Synthetics, Treatments, And Imitations, Part 2: Crystal Growth
Understanding Gem Synthetics, Treatments, And Imitations, Part 3: Synthetic Diamond
Understanding Gem Synthetics, Treatments, And Imitations, Part 4: Synthetic Gemstone Guide
Build Your Own Gemology Tools
Understanding Gem Synthetics, Treatments, And Imitations, Part 1: An Introduction
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