Green Aventurine Skull NecklaceGenuine green aventurine, genuine leather metal is plated alloy 18" total length We do our best to choose each stone carefully and purposefully for every piece.. However there might be slight differences in color size shape and clarity which makes each item unique and one of a kind. Each piece of jewelry will come in a colored drawstring bag for its protection and storage or to be ready to give as a gift. Our gemstone jewelry are all original designs