Brown Agate is comforting and protection stone, its soothing energy helps people that are lonely, grieving because of a loss, go through difficult times or when they are hurt. The gentle energy of this stone is great for meditation. This stone vibrates on a slower frequency than most of the gemstones, but its energy has to strengthen and stabilizing properties. It is one of the greatest stones for balancing emotions, harmonization, boosting intellectual and physical energy. The spiritual meaning of obsidian is that it is a stone of protection. It is said to absorb negative energy and provide strength during difficult times. Obsidian is also associated with the element of fire, which can represent passion and power.