As per Hindu Mythology, Red coral Gemstone is believed to nullify malefic effects of Mars or Mangal Graha and to please him. Mars being the god of war and energy is the commander in chief of the assembly of the nine planets. His red color is the symbol of blood and perseverance in human life. He is known as "Angarak" and the son of the earth due to his its nearness to the earth. It is considered malefic planet in astrology and gives its natives the ability to put their own desires above those of others. The Gemstone related to Mars is Red Coral (Lal Moonga).
