22 K Gold Vermeil and Titanium Druzy Clip-On EarringsMaterial: Genuine 22 K Gold Vermeil and Sterling Silver (92. 5% silver content) Stone(s): 2 pieces genuine titanium druzy (23 x 15 mm) Overall Dimension of Each (including hooks): 0. 9 x 0. 7 x 0. 2 inches Back Type: Clip on Weight: 15. 3 grams Stamp Mark: 925 Serial Number: e21933 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 take their color