inclusions

Although aesthetically magnificent wulfenite crystals are often too thin, soft, and sensitive to cut for jewelry, rare faceted pieces are greatly…

Rare and fragile, kunzite challenges lapidaries and delights jewelry aficionados. Our kunzite buying guide can help you add this gem to your collection.…

Most black diamonds used in jewelry are enhanced, but natural black-colored diamonds do exist. Learn more about these as well as unusual carbonado…

Though perhaps best known as inclusions within other gems, rutile crystals themselves can be faceted or cabbed as curiosities for collectors.…

In recent decades, something remarkable invaded the thinking process of the colored stone industry. From dealers to consumers, they all discovered…

Mastering clarity grading diamonds takes a lot of experience. This grading guide, with definitions, images, and examples, can help beginning…

First-time buyers may not understand how diamond rating works. Our guide will teach you how diamonds are graded, so you can choose the best one for…

Although abundant in various lava rocks, leucite is extremely rare in gem-quality form and often has a milky or cloudy look. Faceted stones as well…

We live in a world of crystals. Learn what they are and where you can find them, from deep underground to the dust in the air and even inside our bodies.…