Chemical Composition: Tourmaline is a complex silicate of boron and aluminum, composition varies. Tourmaline crystals are hexagonal, prismatic crystals that commonly have a rounded triangular cross section, striated lengthwise. Also radiated, columnar, massive.
Colors include blue, green, pink, red, yellow, brown, black, bi-colored, tri-colored, and colorless.
Tourmaline may be found in Brazil, Russia, Burma, Afghanistan, Malagasy Republic, Maine, California.
Hardness: 7 - 7 1/2
Metaphysical Attributes for Green Tourmaline: Creativity, prosperity, abundance. Represents life energy of plants. Excellent for people who work with herbs for healing. Enhances cooperation and healing. Opens the heart chakra, and corresponds to the astrological sign of Capricorn.