Some Garnet Folklore: The Garnet is known as the stone for a successful business. If your business is not as good as it should be, just put 3 or more garnets on your desk. It is believed that if a garnet is put under a pillow it will cure depression. Garnets can be used to make a person popular and have self-esteem when worn as jewelry. It helps protect one on trips and brings constancy to friendships.