Charles Albert Sterling Silver, Blue Druzy Clip-on EarringsMaterial: Genuine Sterling Silver (925 silver, 92. 5% silver content) Stone(s): 2 pieces top grade authentic blue druzy Overall Dimension of Each (including hooks): 1. 2 x 0. 8 x 0. 2 inches Back Type: Clip on Weight: 14. 6 grams Stamp Mark: Charles Albert, Fine Sterling Silver Serial Number: e9821 Gem quality druzy is created when a layer of tiny quartz crystals forms over the top of another stone. Natural druzy crystals can be colored themselves or