Red Coral (Moonga), also known as Vidrum or Pravalam in South India, is a powerful organic gemstone associated with Mars (Mangal) in Vedic astrology. Recognized for its vibrant red color, Red Coral is believed to enhance courage, confidence, vitality, and determination when it is astrologically suitable for the wearer. As one of the sacred Navratna gemstones, Red Coral should always be worn only after a detailed birth chart (Kundali) analysis and professional astrological consultation.