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. Garnets have ancient connections with feminine life force. A garnet pendant worn close to the heart is said to promote balance and peace of mind.