Genuine raw Baltic sea Amber stones jewelery mosaics, interior or aquarium decoration, amber length 6mm/7mm/9mm/11mm/13mm width of amber 7.6mm/8mm/9mm amber thickness 3.5mm/4.2mm/2.8mm Tests to indicate the natural amber : Has a characteristic color under UV Baltic amber was created from the transformed resin of coniferous trees that grew in the Middle Paleogene, about 40 million years ago, on the northern and eastern coasts of the epicontinental sea filling the eastern part of the North Sea basin. Amber is also used in alternative medicine, pharmacy and cosmetics. The stone has been treated as a talisman for years and has healing properties, as well as ensuring longevity and having a cleansing effect on the body. Amber - a stone that is inextricably associated with the Baltic Sea, is a fossil resin of coniferous trees