Sterling Silver 28-Carats Blue Chalcedony Carved Face PendantMaterial: Genuine Sterling Silver (925 silver, 92. 5% silver content) Stone(s): 1 genuine blue chalcedony (28 carats) Overall Dimension (including bail): 1. 5 x 1. 0 x 0. 3 inches Inner Bail Diameter: 5 mm Weight: 9. 4 grams Stamp Mark: Starborn, 925 Serial Number: p31017 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