The name "Iris Quartz" comes from the Greek goddess "Iris." Iris is the name of the goddess of the rainbow in Greek mythology. This power stone also enhances the ability to increase potential and is said to guide you to your calling, mission, and fateful encounters. It is a recommended power stone for people in professions that involve interacting with others. Bead size: 12mm Size: 18-19 cm *This product is also listed on other sites. Also, because we also sell face-to-face, we will remove it if it is sold.