Gemstone Connector - 10x14mm Faceted Pear Shaped Link - Blue Chalcedony (Sold Per 2 Pieces) Quantity: Listing price is for 2 pieces. Stone: Blue Chalcedony Frame Material: 18K Gold Plated Over Solid Genuine .925 Sterling Silver. Shape: Faceted pear shape on both sides. Measurement: 21mm long, stone is 10x14mm.