Silver Hoop Dangle Gray Swarovski Rock Crystals Earrings. These impeccably hand crafted hoop, dangle earrings are lavishly encrusted with shimmering gray Swarovski rock crystals. Secure french hook closure. These earrings are handmade of brass with high quality .925 sterling silver plating. This product is available for special order only. All special orders must be paid in full.