The Expert Guide to Gemstones & Jewelry

The guide to natural Zircon, the oldest mineral on Earth. Properties, how it differs from cubic zirconia, meaning, and care.

The guide to Apatite, the lesser-known gem with a vibrant turquoise hue. Properties, meaning, and care.

The guide to Black Obsidian: the protective volcanic glass. Properties, meaning, and care.

The guide to Chrome Diopside: properties, its Siberian origin, meaning, and care.

The guide to Mystic Quartz: how its rainbow iridescence is achieved, properties, meaning, and care.