Tourmaline meaning varies slightly, depending on its color. However, the root of tourmaline meaning for all tourmaline colors is energy. Tourmaline imparts powerful healing energy and powerful protection energy.
Black : Black tourmaline—is thought to be a grounding stone that provides a connection between the Earth and the human spirit. It is supposed to help people find a sense of self-confidence, see the world more clearly, and feel empowered during difficult circumstances. Ancient magicians reportedly used the stone to protect themselves from "Earth demons," and it's still thought to have protective properties.
Purple : Purple tourmaline is all about serene energy. The stone is reported to ground and protect you, as well as help you deeply relax. With that, Purple tourmaline helps release emotional attachments, so you can look at the world with a nonjudgmental view. Additionally, some use purple tourmaline's physical properties to reduce headaches and migraines.
Green: Green tourmaline is supposedly the most healing of all the crystals of the physical heart. It's the masculine counterpart to feminine pink tourmaline, and it's meant to boost courage, strength, stamina, and vitality.
Brown: Brown tourmaline is supposed to be a grounding influence because of its natural, earthy hue. The stone restores emotional balance and promotes understanding while relieving worrying and creating a feeling of calm. In general, Brown tourmaline is supposed to transform negative energy into positive.
Red: The red stone is supposed to encourage compassion and gentleness, as well as link love and spirituality. One variation of red tourmaline is referred to as watermelon tourmaline because it has a red center surrounded by an outer green "rind." This variation is said to link the emotions of the red center to the physical being of the outer green rock, bringing joy to a person's life and relationships.