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. It’s also supposed to have a very potent dream work capabilities and even improve your day-to-day communications and interactions with other people.
 
Since lava is known for its grounding qualities, it’s wonderful for calming the emotions. In fact, the quality of fire springs from the ground, so in terms of healing gems, this lends itself to a calming- but intense- energy. Because it comes from raw energy, it’s considered to be a stone of rebirth and shedding unneeded layers of emotional attachment.
 
They’re fantastic for stabilizing and grounding the root chakra. This is because of the strong connection to the earth and its creation within the center of Earth. In folk remedies, it was also given to soldiers to help them remain calm during battle.