Black Tourmaline a powerful stone for protection against negative energy of all kinds including psychic protection and EMF protection.
Also known as Schorl, Tourmaline are wonderful aids to both the professional healer and the average person who wants a stone that will be a positive force for good in your life.It is also a strong spiritual grounding stone, and is one of the most popular crystals to be used for metaphysical purposes.
Approx ranging 30-35x20-30mn