This Native American Blue Turquoise Sterling Silver Stamped Hair Accessory Weighs 22.1 gm Circa 1990 Measures 2 7/8″ length, 1 1/8″ width, the stone is 10.3 x 8.8 mm Marked Markings: Sterling, MO Color is Blue Stone is Turquoise and Hair Accessory (Natural, industry-standard treatment if any) Condition is Good, lots of patina.