Charles Albert Sterling Silver Ocean Jasper Heart PendantMaterial: Genuine Fine Sterling Silver (. 95 silver, 95% silver content) Stone(s): Genuine ocean jasper (32 x 27 mm) Overall Dimension (including bail): 1. 75 x 1. 3 x 0. 25 inches Inner Bail Diameter: 5 mm Weight: 17 grams Stamp Mark: Charles Albert, Fine Sterling Silver Serial Number: p28539 Jasper is opaque chalcedony quartz that comes in a wide variety of colors and patterns, depending on the trace minerals present in the stone. Landscape jasper,