Topaz is known as the gem that has the power to improve one’s communication skills. A white topaz pendant may make you a more eloquent and confident speaker. 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. Although a relatively new gem, alexandrite is said to bring pleasure and love. Wear a created alexandrite pendant to attract the man of your dreams.