The Celtic tree of life symbolizes harmony and balance The concept of 'tree of life' is found in many cultures including that of Celts. The crosses of Celtic and Northumbrian origins incorporate tree symbols in their designs. The Celtic tree of life represents the concept of forces of nature that converge to create harmony. These trees were so tall and expansive that they could actually form a whole forest with their branches. In the Celtic culture, importance of trees was decided on the basis of their geographical location and more importantly the inherent qualities. You would find many different rituals associated with Celtic trees of life. This Silver Tree of Life Necklace is about 4 cm high (1inch=2.54cm=25.4mm)