Product description:Red coral (Moonga) is gemstone for the planet Mars. Coral is an organic gemstone found deep under the sea. The skeleton of a beautiful red coral stone is composed of calcium carbonate. The red coral stone or Moonga stone transmits cosmic energy which proves highly beneficial to cure serious diseases related to brain. For more details about the stone, please contact us at 9216113377 & 9Gem. 100% natural real gemstones. Free shipping all over India. Easy return policy.