Pearl Gemstone or Moti is an iridescent organic gemstone known for its lustrous appearance and astrological benefits. According to Vedic Astrology Pearl represents the planet Moon. The Moon rules the emotion and mind in the human body. Pearl is the symbol of purity and emotional clarity. In Vastu, Pearl is used to receiving liberal energies of helpful people. If there is a beneficial Moon in your horoscope, you must wearing Pearl stone. Pearl stone is recommended for those who get angry easily and lose their temper.