This natural dark butterscotch Baltic amber necklace is 18 inches long, size of the amber bead is 0.4" x 0.25"x 0.25" and the weight of the necklace 19 grams It is hand made in Kaliningrad, Russia. Materials:Baltic amber, glass beads. Amber is fossil tree resin, which is appreciated for its color and beauty. Good quality amber is used for the manufacture of ornamental objects and jewelry. Even though Amber is not mineralization it is still considered a gem stone. Amber is very well known for it's beauty, it's light weight and it's healing powers.