Petrified Wood Good Luck Palm Stone This is a highly polished natural petrified wood palm stone. The back has been engraved with a selected good luck symbol at no charge. The symbols are based on the mysterious crop circles found worldwide. Your palm stone will have a randomly selected good luck symbol on the back. We guarantee it will be the right one to bring you the good luck and good fortune you seek. The cosmos will assure it. Absolutely limited to our current stock on hand as the source of these stones is an absolute mystery. Range from approximately 1.5 - 2 inches in diameter. Roughly 1/4 thick.