This set of two Connemara Marble Irish Worry Stones is the perfect addition to any crystal collection. The smooth surface of each stone is ideal for rubbing during times of stress or anxiety, promoting a sense of calm and relaxation. Crafted from genuine Connemara Marble, these stones are a beautiful and unique addition to any collection of crystals and minerals. Their green color, unique to this specific type of marble, is said to bring a sense of peace and harmony to those who use them. These worry stones are also great for use during meditation or as a decorative piece to display in your home.