Sterling Silver Green Chalcedony Ring SIZE 6Material: Genuine Sterling Silver (925 silver, 92. 5% silver content) Stone(s): Genuine green chalcedony Ring Face Dimension: 1. 5 x 1. 25 x 0. 25 inches Weight: 7. 6 grams Ring Size (US): 6 Stamp Mark: 925 Serial Number: r25333 Chalcedony is the general name for a variety of colored quartzes, many of which have a creamy appearance and luster. The gemstones given the name chalcedony are usually white to bright blue, while other colors have been given