The most suitable gemstone for the Scorpio zodiac sign is Red Coral, also known as Moonga stone. Wearing Red Coral stone can help Vrischik Rashi people in many ways. It can help the zodiac sign release any negative energy lingering in and around them. It can also pacify Scorpio's cunning and vicious outlook by instilling affection and calmness. Not forgetting, the Moonga stone can help strengthen Mars' position in Scorpio's horoscope.