BLACK OBSIDIAN ARROW HEAD

PROPERTIES-Psychic protection, rounding, cleansing of negativity, spirit communication   ELEMENT-Earth   CHAKRAS-Root

Obsidian is a stone that protects against negative spiritual energies and entities.  It is also a great stone for an empath.  It will shield you from overwhelming emotions.

Obsidian is referenced in "Game of Thrones"  it is the "Dragon Glass"  that was being used in the show to kill the white walkers.