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Trapiche Gems: An Introduction

Satisfying the human desire for symmetry, trapiche gems have a special allure. Learn what makes these rarities so unique in our introductory article.

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Denver Gem & Mineral Showcase 2017

With over 900 vendors and numerous geologic rarities, the 2017 Denver Gem & Mineral Showcase had plenty to see. Read about some highlights in our report!

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Mechanical Gemstone Cleaning

Mechanical gemstone cleaning has benefits and risks. Learn all about ultrasonic, steam, and boiling systems and how gems might react to them.

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Emerald Buying Guide

Our emerald buying guide can help you learn how these gems are graded, what to avoid, and how to identify a high quality stone or a bargain in the rough.

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Understanding Gemological Formulas

Gemological formulas identify the chemical composition of gems and minerals. Learn what the symbols, numbers, and parentheses mean.

trapiche emerald - Somewhere in the Rainbow Collection
What is a Trapiche Emerald?

Trapiche emerald gems are some of the world's rarest emeralds. Learn where they're found and how their characteristic “spoked wheel” patterns are formed.

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A Consumer’s Guide to Emerald Treatments

Emerald treatments, such as oiling, are very common. Learn what these techniques do, how emeralds are graded, and what green gems make great alternatives.

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Emerald Symbolism

Emerald symbolism encompasses not only royalty but also wit, eloquence, and foresight. Learn more about the legends surrounding this prized jewelry stone.

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Understanding Emerald Enhancements and Treatments

Emerald enhancements involve a variety of different types of fillers, impregnations, and dyes. These treatments can improve the beauty of emeralds.

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The World’s Largest Emeralds

Emerald crystals can grow very large. Learn about some of the world’s largest emeralds, old and new, uncut or faceted, rough or carved.

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