Properties: Black Tourmaline crystal is a powerful stone for protection against negative energy of all kinds. It is also a strong spiritual grounding stone and is one of the most popular crystals to be used for metaphysical purposes. Furthermore, Black Tourmaline eliminates stress, tension, and anxiety.

Star Signs: Libra and Scorpio.

Chakras: Root.

Where to place it: By the front door or any other entrances you may have in your house, and in the living room.