This is a natural blue chalcedony gemstone, oval in shape, gold vermeil bezel dipped charm. It is faceted and is teal blue in color. Each piece can range from translucent to opaque. The color of these charms is beautiful and reminds me of the ocean. Would make a great centerpiece for a necklace, bracelet, or earrings. No two charms are exactly alike as they are hand-crafted. Sizes may vary 0.5 mm from listed measurements. Each piece is approximately 19 mm long,13 mm wide, and 4 mm thick. Loop has an inner diameter of 1 mm. 2 Pieces.