Biggs Jasper is found near Biggs Junction, Oregon. This wonderful picture jasper is cut in a shield shape, set in sterling silver with an oxidized inset frame. Two prongs in the back make for a nice, stable bail for a chain or neck ring. Total length – 48.83 mm x 35.86 mm wide. Weight – 18.37 grams. Lapidary work – John DeLong.