Lava rocks come are made from one of the deepest parts of the earth. Makes sense why it`s properties is said to alleviate anxiety, promote emotional tranquillity and bring calmness and feelings of relaxation. Lava stone is supposed to have very powerful spiritual effects on the human mind. It's said to cleanse negative thoughts and emotions, as well as stimulate creativity. There poress texture make them a natural diffuser. Acting first as a sponge then release slowly back .