This wonderful Jasper/Agate is found on the slopes of Mt. Rainier in Washington state. It is set in sterling silver with an 18 mm tube bail and decorative oxidized silver bar above the stone. The inner dimension of the tube is 7 mm to accommodate a neck ring or chain. Total length – 55 mm x 20 mm wide. Weight – 16 grams. Lapidary work by John DeLong.