a Spanish conquistador washed the dirt from a green tourmaline crystal and confused the vibrant gem with emerald. His confusion lived on until scientists recognized tourmaline as a distinct mineral ...

The intense green of this chrome tourmaline from Tanzania resembles the color of emerald. Tourmalines come in a wide variety of exciting colors. In fact, tourmaline has one of the widest color ranges ...

Certain gemstones can enhance productivity by fostering focus and clarity. Black Tourmaline, Green Aventurine, Pyrite, ...