Black Tourmaline is one of the strongest protection stones in that not only does it guard one from negative energies, it also has the ability to transmit the negative energy back to the sender. This stone is also useful in guarding against harmful electromagnetic radiation- those that come from electronics such as TV's, Cell Phones and Computers. Among this, Black Tourmaline has also been known to help reduce stress, strengthen immunity, help circulation, improve metabolism, grounds energy and helps balance the Chakra's and clear the Aura.
DISCLAIMER: Gemstones and Crystals are known for their energy healing properties, we simply are just putting what is already known out into the world. Gemstones will not cure you, they are just helpers. Their energy mixes with yours to help aid you in whatever you may be looking for, whether it is to become more positive, help with depression or a physical illness. With that being said, we urge you to seek a professionals help and not rely solely on your stone. These stones are simply meant to help aid in the process.