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 Pink Tourmaline celtic knot combines these concepts with the spiritual attributes of the Pink Tourmaline . Tourmaline symbolizes wisdom, strength of mind and eloquence. Wear a pink tourmaline pendant to become a more confident and impressive individual. Ruby is known as the gem of courage. Wearing a ruby pendant can help you get through the trials and tribulations of life.