this measures approx 4 3/8" tall and approx 1 1/2" wide measured from the widest points black tourmaline is approx 2 1/2" x 1 1/4" x 7/8" measured from the widest points weighs approx 4 ounces Chakras - root chakra Zodiac - Capricorn Element - Earth Numerical Vibration - Numbers 3 and 4 Black Tourmaline is also known as Schorl. It can be used to block, repel, and protect against negativity. It creates a protective energetic shield, helping to keep not only your personal energetic boundaries strong, but also physical spaces like your home or workspace. It is excellent for deflecting radiation energy. It enhances ones physical well being by providing an increase in physical vitality, emotional stability, and intellectual acuity. more black tourmaline listed in different formats plus lots of other healing stones, crystals and minerals (and other stones) more similar items added all the time