Size : 65 45 40 mm Approximately. It gently neutralizes negative vibrations and is detoxifying on all levels, prompting elimination of the digestive system and protecting against radiation and electromagnetic smog.Smokey Quartz disperses fear, lifts depression and negativity. It brings emotional calmness, relieving stress and anxiety. It is believed that certain gemstones and minerals have beneficial health and spiritual properties. Etsy cannot guarantee or be held liable for these suggested attributes which have no scientific evidence and cannot be considered a substitute for traditional medical treatment.