CQCBlack Tourmaline Natural Stone Angel Chakra Crystal Healing Stone, Therapy stone For Vastu, Meditation, Protection, Energy, Abundance, Luck Gifts For Family And Friends. Black Tourmaline Carries strong energy for protection against negativity & electromagnetic energy.it helps to clear, cleanse and unlock any energy blockages within your body or home.it helps to put an energetic boundary between you and others so that you don’t pick up unwanted energies. When placed in the corners of the room, It’seals in the room with a protective shield.