Spinel

Spinel has played an important part in gem history. Prior to the last century, it was impossible to distinguish from ruby and sapphire once it was…

Gahnospinel is a solid-state solution between spinel and gahnite.

Velcryn Gems is a small, obsessive, ritual-meets-luxury studio specializing in one-of-kind jewelry pieces, fine gemstones and intentional…

Sporting a deep green color that features complex banding and swirling patterns, malachite easily ranks as one of the most recognizable gemstone…

Move over dainty chains and barely-there stackable rings, the cutting-edge jewelry at the 2025 Las Vegas shows was noticeably more substantial…

At the 2024 JCK show, we interviewed both natural and synthetic diamond sellers about the state of the global diamond market as a whole. We were interested…

As a gemstone cutter, you’ve likely encountered stones that should sparkle brilliantly but instead appear lifeless and dull. The culprit…

Imagine holding a rough emerald worth thousands of dollars. Inside, you spot a dark crystal inclusion right in the center. Do you cut it out and lose…

Gemologists can separate natural emeralds from emerald simulants and synthetics. Learn about the most common tools and techniques for this.…