aquamarine

Gemstone coatings have been popular for thousands of years. In the modern era, the most robust coatings are applied by chemical vapor deposition…

Gemstone coatings are a simple way to enhance color and luster. Learn about commonly coated gems, different coating techniques, and how to detect…

To understand the gem trade, you must first understand the players. In this guide, I’ll divide the players into tiers in order to make discussing…

There are so many common gemstone treatments available today that keeping track of them can be difficult. This list and handy cheat sheet can help.…

Question: Aquamarine and most other members of the beryl family have nice big, clean crystals. Why are emeralds different in general? What causes…

People often ask me, “Are all emeralds treated?” Simple answer: no. Not all. However, the vast majority do receive treatments. Always assume…

Regardless of origin, perhaps 99% of all cut emeralds are sold with some sort of enhancement for clarity. Since emeralds freshly dug out of the ground…

Deep green hues and a soft, velvety appearance make emeralds unique among gems. As symbols of wealth and nature, emeralds have been popular jewelry…

Many books and articles cover the beautiful emerald, the most well-known member of the beryl family. You can learn about its rich green tones, the…