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 Blue Topaz celtic knot combines these concepts with the spiritual attributes of the Blue Topaz . Blue Topaz is known as the gem that has the power to improve one’s communication skills. A blue topaz pendant may make you a more eloquent and confident speaker. Sapphire has always been associated with the sacred and divine. A sapphire pendant is said to bring serenity and purity to the wearer.