Coral or Moonga is a red stone that represents the planet Mars. It is used to worship mostly Lord Ganesha and Lord Hanuman. Coral has many positive effects on the one wearing it. It brings out positive energy and self-confidence, making the person more courageous and successful and impulsive. It also helps to keep liver, kidney and respiratory organs in order and discourages anemia. Also, it helps in getting rid of bad dreams and bad debts.