Crystal guardian angels are available in the colors of the 12 different birthstones Angel is made of genuine austrian crystals Emerald is the birthstone for may and represents the values of patience, understanding and foresight Crystal guardian angels are available in the colors of the 12 different birthstones Angel is made of genuine austrian crystals Emerald is the birthstone for may and represents the values of patience, understanding and foresight Hang them in a window and watch your personal rainbow appear Angel is 1-inch long, hanging from a 5-inch chain