Sterling silver turquoise marcasite heart locket necklace p2151 this vintage style locket features a highly polished cabochon of genuine natural turquoise semi precious gemstoneatthe centre of a patterned sterling silver open framework accented with sparkling marcasite gemstones perfect for keeping someone close to your heart made with sterling silver and includes an 18 inch silver chain all our turquoise jewellery is designed and crafted within our very own workshops in ashbourne der