Chalcedony Gemstone Chip Studs Chalcedony gemstone chips on silver plated heart studs £9.00 Quantity: at £9.00 each Add To Basket 2 in stock. These gorgeous Chalcedony gemstone chip earrings are simply beautiful. Finished with silver plated heart studs they are perfect for those who love a small drop earring but prefer a stud to a hook. It is said to be a communication and calming stone, reducing self-doubt, anger and fear. *Please note I cannot guarantee the gemstones properties, just that they are very beautiful.