pink gems

Anyone studying spinels will soon read that, historically, red spinels have been misidentified as rubies. In fact, the most famous red spinels…

Spinels may be well-known for their red hue. However, spinel gemstones come in many more colors. They also occur in orange, purple, violet, blue,…

June 2, 2023 Photo Credit: Olena Rybnikova GemGenève is an international gem and jewelry show that takes place in Geneva, Switzerland, a picturesque…

What is Amethyst? Amethyst is the official sixth anniversary gemstone, offering a traditional alternative to iron or wood. Amethyst is the purple…

For centuries, balas rubies were prized by royalty. Learn what happened after gemologists identified these gems as red spinels instead.

Available in many colors, spinels are becoming more popular with consumers. Learn how spinels form and how these gemstones get their colors.

Spinel collector and gem trade expert Seth Rosen discusses the current market and potential future for this beautiful but little-known stone.…

Our spinel engagement ring stone guide can help you learn about this beautiful, colorful, durable, but little-known gemstone.

Spinels are rarely treated, but gemologists should know how to detect spinel treatments. Learn about filling, heating, and diffusion.