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inclusions

Spinel Inclusions

Spinel Inclusions

The materials trapped inside gems hold a wealth of information. Learn what the most common types of spinel inclusions reveal...
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An Introduction to Gemstone Inclusions

An Introduction to Gemstone Inclusions

Gemstone inclusions are materials trapped inside gems as they form. Learn how gemologists use inclusions to help identify gemstones and...
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Enhanced Gem Inclusions

Enhanced Gem Inclusions

Gem treatments can affect a stone’s value and stability. Learn how the most common procedures work and how to identify...
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Synthetic Gemstone Inclusions

Synthetic Gemstone Inclusions

Identifying lab-created gems is a critical skill for gemologists. Learn how to spot the most common synthetic gemstone inclusions.
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Gemstone Photomicrography: Photographing Inclusions

Gemstone Photomicrography: Photographing Inclusions

Explore the amazing world of gemstone photomicrography. These tips can help you view and photograph spectacular inclusions found inside many...
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Identifying Inclusions of Specific Gems

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...
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How to Orient Sapphires with Silk Inclusions

How to Orient Sapphires with Silk Inclusions

Silk inclusions in sapphires are hard to detect. Learn to pick the best orientation and cut for these gems. You...
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Inclusion Management and Gemstone Faceting

Inclusion Management and Gemstone Faceting

Inclusion management is one of the most challenging aspects of gemstone faceting. Learn when to remove and when to keep...
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Faceting a Gemstone Pendulum to Feature Inclusions

Faceting a Gemstone Pendulum to Feature Inclusions

Showcase the amazing inclusions in minerals like rutilated quartz in a gemstone pendulum design. Learn how to facet these gems...
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Identifying Inclusions Found in Natural Gems

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...
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Carving Techniques for Handling Inclusions in Transparent Gems

Carving Techniques for Handling Inclusions in Transparent Gems

Inclusions don't have to result in a loss of mass or value when cutting transparent gems. Learn how to manage...
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10X Loupe for Gemologists and Jewelers

10X Loupe for Gemologists and Jewelers

The 10X loupe is the gemologist's best friend. Learn how to examine gemstones for fractures, inclusions, color, and much more...
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What Do the GIA Gem Clarity Grading Codes Mean?

What Do the GIA Gem Clarity Grading Codes Mean?

A gemstone’s clarity grade indicates how free it is of inclusions and blemishes. Learn how to decipher the GIA clarity...
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Ruby and Sapphire Origins

Ruby and Sapphire Origins

Ruby and sapphire origins greatly affect the values of these prized gems. Learn where these stones occur and how inclusions...
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The Microscope: A Guide for Gemologists

The Microscope: A Guide for Gemologists

Sometimes, microscopic inclusions are the only way to distinguish natural from synthetic gems. This makes the microscope an essential lab...
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How to Choose a Gemstone Shape for Cutting

How to Choose a Gemstone Shape for Cutting

How do lapidaries decide what gemstone shape to cut? Learn how inclusions, rough, orientation, and other factors can influence that...
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Specific Gravity Testing Part 4: Refining Your Specific Gravity Testing Techniques

Specific Gravity Testing Part 4: Refining Your Specific Gravity Testing Techniques

Factors like liquid temperature and inclusions can affect a gem's density reading. These specific gravity testing techniques can improve your...
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Rutilated Quartz Buying Guide

Rutilated Quartz Buying Guide

Silky golden rutile inclusions in quartz have become quite popular. Read our rutilated quartz buying guide to help you choose...
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Clarity Grading for Colored Gemstones

Clarity Grading for Colored Gemstones

Don't underestimate the importance of clarity, one of the Four Cs of gemstone grading. For faceted gems, basic clarity grading...
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Diamond Buying and the 4 Cs, Part 4: Assessing Diamond Clarity

Diamond Buying and the 4 Cs, Part 4: Assessing Diamond Clarity

Diamond buyers often find assessing clarity challenging. Although inclusions may be difficult to see and identity, they can have a...
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Should I Buy a VVS2 Clarity Diamond?

Should I Buy a VVS2 Clarity Diamond?

One of the four Cs by which a diamond's quality is measured is clarity. The best of the best are...
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Is an SI2 Clarity Diamond Eye-Clean?

Is an SI2 Clarity Diamond Eye-Clean?

Although an SI2 clarity diamond has a low clarity grade, you can still find one that will look good in...
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Should I Buy a VS2 Clarity Diamond?

Should I Buy a VS2 Clarity Diamond?

How will a VS2 clarity diamond look in an engagement ring? Learn if it’s the right stone for you and...
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Diamond Rating: A Beginner’s Guide

Diamond Rating: A Beginner’s Guide

First-time buyers may not understand how diamond rating works. Our guide will teach you how diamonds are graded, so you...
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Peridot Buying Guide

Peridot Buying Guide

Our peridot buying guide can help you learn how these gems are graded, what to avoid, and how to identify...
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Colorful Options: Choosing Topaz Engagement Ring Stones

Colorful Options: Choosing Topaz Engagement Ring Stones

You can probably find a topaz engagement ring stone in your favorite color at a reasonable price. Learn what to...
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Cutting Star Gemstones: Tips for Beginners

Cutting Star Gemstones: Tips for Beginners

Want to start cutting beautiful star gemstones? Here are some helpful gemological resources for novice lapidaries and jewelers.
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Ruby and Sapphire Grading Tools

Ruby and Sapphire Grading Tools

What ruby and sapphire grading tools does a novice gemologist need? Learn how basic gemological equipment can help you identify...
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Should I Buy a VVS1 Clarity Diamond?

Should I Buy a VVS1 Clarity Diamond?

When shopping for a diamond, you’ll be looking at diamonds of different clarity grades, from FL (flawless) to I (included)....
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Clarity Grading Diamonds

Clarity Grading Diamonds

Mastering clarity grading diamonds takes a lot of experience. This grading guide, with definitions, images, and examples, can help beginning...
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16 Black Gemstones (How Many Do You Know?)

16 Black Gemstones (How Many Do You Know?)

Some black gemstones are so well-known their names have become synonymous with the color black. Others are less well-known by...
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Gemstone Visual Examination Quizzes

Gemstone Visual Examination Quizzes

A visual examination is the first step to identifying a gemstone. These quizzes will help student gemologists learn to recognize...
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Common Sense Gemstone Grading: An Alternative System

Common Sense Gemstone Grading: An Alternative System

Can gem grading avoid subjective terms? Learn about gemologist Jeff Graham's common sense gemstone grading system, an alternative to commercial...
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Identifying Synthetic Spinel

Identifying Synthetic Spinel

Synthetic spinel is a widely used jewelry stone. Learn how gemologists can identify lab-made flame-fusion, flux, and Czochralski spinels.
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Malaya Garnet Buying Guide

Malaya Garnet Buying Guide

Rare malaya garnets come in many colors and make wonderful jewelry stones for any style. Learn the 4 Cs of...
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Ruby Buying Guide – Special Free Preview

Ruby Buying Guide – Special Free Preview

Our ruby buying guide can help you learn how rubies are graded, what to avoid, and how to identify a...
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How to Buy a Lab-Grown Diamond in 2024

How to Buy a Lab-Grown Diamond in 2024

Lab-Grown Diamonds: The Basics Can you tell that this 1.57-carat Princess cut diamond was grown in a lab? Lab-grown diamonds...
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Crystalline Quartz Buying Guide

Crystalline Quartz Buying Guide

Although often overlooked, quartz is available in many styles at reasonable prices. Our crystalline quartz buying guide can help you...
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Identifying Synthetic Gems

Identifying Synthetic Gems

Distinguishing between natural and synthetic gems is a critical skill for gemologists. Learn about gem making processes and the telltale...
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Ruby Buying Guide

Ruby Buying Guide

Our ruby buying guide can help you learn how rubies are graded, what to avoid, and how to identify a...
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Are Flawless Diamonds Perfect?

Are Flawless Diamonds Perfect?

To most people, the word “flawless” means perfect. When it comes to diamonds, however, it’s a bit more nuanced. Internally...
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Agate Buying Guide

Agate Buying Guide

Decorative, patterned forms of agate are excellent natural gems. Learn more about agate's mesmerizing patterns in our agate buying guide....
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Emerald Quality Simplified

Emerald Quality Simplified

Evaluating emerald quality, especially clarity, can be very complex. Navneet Gems & Minerals has proposed the following system for grading...
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Grading Lab-Grown Diamonds: An Introduction to the Four Cs

Grading Lab-Grown Diamonds: An Introduction to the Four Cs

Who Created the Four Cs Standard? Robert M. Shipley, the founder of the Gemological Institute of America (GIA), developed the...
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Emerald Origins: History and Identification

Emerald Origins: History and Identification

Emeralds from different sources can vary in quality. Learn how to identify emerald origins by analyzing the optical and physical...
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Paraíba Tourmaline Buying Guide

Paraíba Tourmaline Buying Guide

Paraíba’s neon blue hues stunned the gem world in the 1980s. Read about the quality factors for this striking gem...
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Emerald Myth Busters: Identifying Colombian Stones

Emerald Myth Busters: Identifying Colombian Stones

Colombian emeralds can command premium prices. Jeffery Bergman separates emerald myth from fact when it comes to determining the origins...
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Moss Agate Engagement Ring Guide

Moss Agate Engagement Ring Guide

Looking for an alternative to diamonds? A moss agate engagement ring makes a beautiful, affordable, and unconventional choice.
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