These large beautiful power stones are polished green moss agate. Each one is unique and the size is approx. 3″ x 2″ x 1.5″ and weigh around 1/2 lb. Like many other gemstones, moss agate has metaphysical properties that carry deep meaning. One of green moss agate’s meanings is that it encourages a sense of tranquility and emotional balance. It’s said to be extremely helpful to those experiencing a strong sense of aggression or any other overwhelming emotions.