The best astrological gemstone for the Cancer zodiac sign is Pearl. It is also known as Moti, Tarak Ratna, Mukta, Chandra Ratna and Muthyam. The zodiac's ruling planet is the Moon. The planet governs many umpteen characteristics that Pearl represents. Wearing a Moti can help the zodiac sign control anger issues and violent behaviour. It further helps them establish peace, calmness, and tranquillity. Besides, it is excellent for women. It can enhance a woman's facial lustre, beauty, personality, and nurturing nature. Consider wearing a Pearl to gain wealth, fame, respect, luxury, intuition, and much more.