inclusions

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…

Discover everything about ruby gemstones — from value factors and origins to care tips. Learn what determines ruby prices and how to choose the…

A traditional favorite, a ruby engagement ring stone symbolizes love and passion. Learn how to find the gem that best fits your budget and style.…

Appraising blue sapphires is a critical skill for any jeweler or gemologist. Learn the basics you’ll need to evaluate one of the most popular…

The geological conditions in which rubies and sapphires form are rare and extreme. Learn how these popular gems develop and how they get their colors.…

Ammolite is a rare, iridescent, gem-quality material cut from the fossilized shells of extinct sea creatures. Found only in the Bearpaw Formation…

Väyrynenite is a very rare mineral. Crystals as well as faceted gemstones in reddish, pinkish, and orange colors are prized collector’s items.…

A very pretty, nices sized grossular garnet that sometimes looks like a Merelani mint garnet and other times is more light yellow. The clarity in…