This single earring features a one-of-a-kind quartz gemstone caged in sterling silver. The natural shape adds unique charm, creating the illusion that the stone is floating.. In today's world of factory-made accessories, searching for a piece that reflects your specific personality can be challenging. Fortunately, style-lovers need not despair - this one-of-a-kind earring will give any ensemble a touch of individuality.. Details. Stone: Quartz. Metal: Sterling Silver