Chrysoberyl, or the cat's-eye gem, is a beautiful and affordable gemstone that's not only known for its unique pattern but also as a lucky charm for gambling. Many people wear the semi-precious gem in a ring, necklace, bracelet or some other kind of jewelry so that it's always on them.

After you've spent some time on the slot machines, move on to the Blackjack table, and start by just observing. Blackjack has the best odds of winning, with a house edge of just 1 percent in most casinos, Bean said. Plus, you are playing against only the dealer, not hooded poker champions.