Disc shape Amber Necklace

Necklace of 57 cm made up of resin of Amber reconstituted in disc of 20mm of diameter. Amber is the fossilized resin of the pines (pinus will succinifera) which existed 50 million years ago, during the Eocene (beginning of the tertiary era).
Largest Amber dépot of the world is located in Samland (old Prussia Orientale).
Hardness on the MOHS scale of hardness: 2-2.5. Density: 1.05-1.09.