Astrological sign(s): Scorpio
Mohs scale: 7–7.5
Spiritual uses: Black tourmaline grounds your spiritual practice into your everyday life. With this stone in hand, delve into the deeper aspects of your consciousness to uncover past lives.
Mental uses: Black tourmaline is helpful when you are feeling scattered and constantly being pulled off center.
Emotional uses: Black tourmaline helps to draw out dark negative emotions holding you back from living a happy life.
Physical uses: Black tourmaline offers protection from electromagnetic frequencies emitted by cell phones, computers, and other electronic devices.
Excerpted from The Essential Guide to Crystals, Minerals, and Stones (Llewellyn. 2013) byMargaret Ann Lembo