Black Tourmaline

Black Tourmaline cleanses, purifies, and transforms dense energy into a lighter vibration. Because of this, it is a great stone for all healers to carry with them. It protects our energy field against energies with lower vibrations and also against electromagnetic pollution that comes from your computers, wireless internet and most electronic devices.
As a protection stone, it is great for light workers and empaths.  Black Tourmaline blocks negative energies and protects against psychic attacks.  It is a wonderful stone to use in grids for protection around your home too.  Simply take 4 large pieces of raw black tourmaline and place them outside along the perimeter of your property creating an imaginary line that connects the stones while making sure your home and all property is included inside this perimeter.  
The Black Tourmaline is great for stabilizing the root Chakra, it is very grounding and helps keep the wearer of the stone grounded as well. It is very calming so it is a good stone to use when you feel "scattered". It helps people who suffer from negativity or who frequently worry about things.  Meditating with the Black Tourmaline helps us gain insight into our own life.
Chakras: Root
Astrological Sign: Capricorn
Number Vibration: 3 - 4
MOHS: 7 - 7.5
Chemical Comp: NaFe3 (Al,Fe) 6Si6O18(BO3)3(OH)4,Sodium Iron Aluminum Boro silicate Hydroxide