Tourmaline is a versatile and colorful gemstone that comes in a wide range of hues, including pink, green, blue, yellow, and even black. One of its most unique characteristics is that it can display multiple colors within a single crystal, leading to varieties like bi-color and tri-color tourmaline. The stone often has a glassy luster and can be transparent to opaque.

Metaphysically, tourmaline is known for its protective properties. It is believed to help balance energies, promote grounding, and enhance spiritual growth. Different colors of tourmaline are associated with various benefits; for example, pink tourmaline is linked to love and compassion, while green tourmaline is thought to promote healing and prosperity. This gemstone is also said to help with stress relief and emotional stability, making it a popular choice for those seeking harmony in their lives.