Natural Stone Exquisite Lapis Lazuli Earrings Size approx.: 6.5mm * 6.5mm * Thickness 2.1mm; Metal Material: s925 silver, s925 stamp present. Number A2540, with a bag. Lapis lazuli is a rare gemstone, and ancient artifacts of blue lapis lazuli are often precious. Lapis lazuli is so popular because it is one of the seven treasures of Buddhism. If you overuse your eyes, lapis lazuli can relieve eye strain and fatigue. Close your eyes and lie down, place the blue lapis lazuli on your eyes, and by taking long, deep breaths, the blue indigo light will penetrate the eyeballs, reducing eye fatigue and protecting your eyesight. ■ Due to the shooting environment, the color of the photo may differ slightly from the actual product. Instant purchase OK. Thank you!