aquamarine

A gem species is a type of mineral species. Well over 140 mineral species have been utilized as gems. Throughout history, humans have selected these…

Crystallography is the study of crystalline solids and their properties. Learn how mineralogists use this to identify minerals.

The silicate subgroups of cyclosilicates and inosilicates include beryl, tourmaline, jadeite, and nephrite. Learn to identify these minerals.…

Silicates include well-known minerals such as zircon, topaz, and garnet. Learn how to identify minerals from two silicate sub-groups.

There are plenty of great alternatives to mined diamonds available, beautiful white gemstones both natural and lab-made. Learn about different…

Disclosing enhancements is one of the most important responsibilities gemologists face. In fact, many countries are passing stricter laws…

Zircons are available as jewelry stones in many beautiful, sparkling colors, but are their colors natural? Are the zircons themselves natural,…

Are zircons natural gemstones? Learn how zircon heat treatment works and the difference between zircon and cubic zirconia.

April 5, 2024 Photo Credit: X.com/HarryWinston The Natural History Museum of Los Angeles County and Robert Procop Exceptional Jewels are proud…