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Onyx Symbolism

Onyx symbolism and lore is filled with negative associations. Learn how people have counteracted these purported effects and enjoy this beautiful, dark gem.

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Quartz Color Treatments

Quartz color treatment results vary due to the stone's origin. Learn the effects you can achieve with different materials and radiation and heat techniques.

A View of The Quartzsite Gem Shows

The Quartzsite gem shows attract gemologists and rock hounds from around the world. Learn what to expect and how to shop at these huge annual events.

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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 into stunning jewelry pieces.

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An Introduction To Gemology

Learn what gemologists do in our introduction to gemology. Whether your interest is casual or professional, the world of gems will amaze you.

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Chrysoprase Value, Price, and Jewelry Information

Everything you ever wanted to know about chrysoprase. Find value guidelines, scientific data, expert comments, and more in our Gemstone Listings.

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Precision Faceting A Story Gemstone: Faceting Equipment

Today's custom gem cutters use faceting equipment for precision work and design inspiration. Take a look at the toolkit of the new lapidary renaissance.

Destructive Gemstone Tests: Streak Testing

Streak testing is a destructive gemstone test rarely used by gemologists.  Most gems leave no streak.  Learn which gems do and what color they leave.

A Beginner’s Guide To Common Gemstone Heat Treatments

Gemstone heat treatments can increase the beauty and value of many rough pieces. Learn how to conduct the most common procedures safely.

How To Identify Synthetic Rough In Gemstone Parcels

Telling synthetic rough from natural stones in a gem parcel can be challenging. These tips can help you find some telltale signs of lab-created material.

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