Pendant natural Baltic amber and sterling silver 925. Amber is around 40 a 50 millions years old. Size: 1.5 cm x 3.8 cm Total weight: 2.8 gram Natural Baltic amber stone. No not containing any additional materials - substations, adhesives, not pressed synthetics, paints or the like. Tests to indicate the natural amber : has characteristic pine resin odor if to heat it; has characteristic color under the UV rays (UV light shows amber characteristic color (please see a picture) acetone-resistant. Shipping registered.