Black Tourmaline is an Earth Element stone. It is a stone of grounding, protection and purification. It is a perfect choice to protect the energy field from energetic debris. Put one on your nightstand to protect from imprinting. 

🖤Stability
🖤Psychic Protection
🖤Cleansing
🖤Eases Anxiety
🖤Transmutation 
🖤Calming
🖤Intellectual Growth
🖤Emotional Support
🖤Awakens Altruism
🖤Balances Adrenal Glands
🖤Stimulates Reflex Points

Correspondences:

Chakras: Root

Element: Earth

Planet: Pluto, Saturn

Zodiac: Libra, Capricorn, Sagittarius 

Energy: Yin

Numbers: 3, 4