Gemstone Pendant - Sterling Silver - 14x18mm Faceted Oval Charm - Peru Chalcedony (Sold Per 2 Pieces) Quantity: Listing price is for 2 pieces. Stone: Peru Chalcedony Frame Material: Solid Genuine .925 Sterling Silver. Shape: Faceted oval shape on both sides. Measurement: 21mm long, stone is 14x18mm.