Natural Malachite Cabochons, Grade "A", Half Round/Dome, GreenSize: about 20mm in diameter, 5mm thick .Natural Malachite, light greens and dark greens finely banded together in straight, swirl and concentric patterns. Use this elegant malachite cabochons with any flat components on a chain or as a drop design. A quick and easy solution to hand-fabricated jewelry styles.