Pietersite, known as the tempest stone, is a naturally occurring quartz comprised of tiger's eye, hawk's eye, and jasper. Like a storm, it's believed to have a strong, cleansing energy. Set by hand on sterling silver, these one of a kind cufflinks are perfect for anyone whose bold, fresh fashion is a force of nature. 925 Sterling Silver Features an anti-tarnish finish that makes for lasting wear Packaged in black lacquered wood box and velour travel pouch, perfect for gifting and display Style # S411PTSQGM