Red Coral or Lal Moonga / Munga is a Gemstone that is ruled by the Planet Mars, hot in nature and is considered to be a strong Gemstone for gaining positive powers of Mars. It is Deep Red to Orange Red in Color. It is said to encourage strength and courage of the wearer as in Hindu mythology it is considered to be the stone of Lord "Hanuman Ji". It is an Opaque Gemstone. Wearing Day: Tuesday at day time. Cautions: One should remove and get a new one if the Gemstone get cracked, In coral crack means breakage as Coral has black marks which are actually black holes. You should not wear Blue Sapphire, Diamond and Emerald along with Red Coral, unless a learned astrologer recommends so!