Great detail on these popular tree of life earrings with green glass crystal accent beads. The tree branches are shown in delicate spiral patterns. The tree of life is often depicted as a many-branched tree illustrating the idea that all life on earth is connected. The term tree of life may also be used as a synonym for sacred tree. The tree of knowledge, connecting to heaven and the underworld, and the tree of life, connecting all forms of creation, are both forms of the world tree or cosmic tree and are portrayed in various religions and philosophies as the same tree. Approx. 4.4cm in length from top of ear wire, and the tree of life charm is approx .12.7cm in diameter.