inclusions

People have highly prized sapphires for ages. Their beauty and hardness make them ideal choices for jewelry. The demand for sapphires, however,…

Sapphire symbolism encompasses diverse subjects in many cultures. Traditionally, people have prized these gems for their celestial blues and…

Montana, the Treasure State, produces nearly all of the sapphire in the United States. With rich cornflower blue Yogo sapphires and fancy-colored…

Although non-gem corundum occurs abundantly all over the world, gem-quality ruby and sapphire are significantly rarer. Their sources are also…

Rubies and sapphires are some of the most well-known jewelry stones. Let’s take a look at the rare geological conditions in which rubies…

A very nice bi-color tourmaline that doesn’t have the inclusions usually found where the color transitions. I also used this for a bit of…

If you like green, you’ll love an emerald engagement ring. However, judging emerald quality is complicated. Learn how to find the best gem for…

How do emeralds form? Learn how the emerald growth process works and why it makes these gems rare, green, and very fragile.

Ruby and sapphire origins greatly affect the values of these prized gems. Learn where these stones occur and how inclusions can help identify their…