Evoking the timeless styling of days gone by, these London Topaz antique style rings connect you to the rich tapestry off all that have come before. 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. Tanzanite is the gem of fortune and luck. A tanzanite pendant is said to ease stress and free one from bad habits.