Zircon Stone In astrology zircon is used to protect our body and mind from harmful energy emitted my celestial bodies in our solar system. Zircon Heart Shaped Pendant is also called love pendant lover gift to each other. Valentine day gift Pendant for Girlfriend Valentine day gift pendant for couple. December Birthstone Gift Pendant. Heart Shape Pendant is Antique and Unique Pendant Specially for lovers. It is also believed to carry certain characteristics which act in a positive manner to attract the vibrations of wealth, self confidence, self esteem and wisdom. It is also associated with love and happiness. Some diseases it is believed to cure include epilepsy, fever and insanity. It was also believed that the wearer should maintain the shine on there gem because without shine it would change its power from good to negative.