What Gems Kate Princess of Wales Will Wear to King Charles III’s Coronation
May 4, 2023 Photo Credit: Shutterstock/Featureflash Photo Agency The coronation of King Charles III is going to be a glittering display of Coronation…
How Do Spinels Form?
Available in many colors, spinels are becoming more popular with consumers. Learn how spinels form and how these gemstones get their colors.
Spinel Inclusions
The materials trapped inside gems hold a wealth of information. Learn what the most common types of spinel inclusions reveal about this gem.
An Interview with Spinel Collector Seth Rosen
Spinel collector and gem trade expert Seth Rosen discusses the current market and potential future for this beautiful but little-known stone.…
What are Cobalt Spinels?
Learn how gemologists identify cobalt spinels and what qualities you should look for when buying these beautiful, vivid blue gemstones.
Choosing a Spinel Engagement Ring Stone
Our spinel engagement ring stone guide can help you learn about this beautiful, colorful, durable, but little-known gemstone.
Spinel Treatments and Enhancements
Spinels are rarely treated, but gemologists should know how to detect spinel treatments. Learn about filling, heating, and diffusion.
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