The celtic knot is an ancient symbol of the journey of life. With no beginning and no end, the knot represents the timeless nature of our spirits and the world we live in. A Tanzanite celtic knot combines these concepts with the spiritual attributes of the Tanzanite . Tanzanite is the gem of fortune and luck. A tanzanite pendant is said to ease stress and free one from bad habits. Emerald is associated with Venus, the Greek goddess of love and beauty. They say an emerald pendant can protect lovers from unfaithfulness.