The Margaret Elizabeth Black Druzy Bangle is the perfect bangle to wear day or night. Wear it by itself or stack with other Margaret Elizabeth bangles.  Druzy is a natural stone in the agate family. It is a layer of crystals that forms within a mineral crust, giving it that subtle, gorgeous sparkle. Product Details 22kt Gold Vermeil Black Druzy Semi-Precious Gemstone Diameter 2.7"