1. Emerald or Marakatha or Pachha
Emerald or Marakatha is a very rare gemstone and is very rarely worn too. This green coloured gemstone is known for its healing properties. Emerald is related to the planet Mercury or Budha graha. This should be worn on small finger. Wednesday of Shukla Paksha is the right day and auspicious time would be from 5 am to 7 am in the morning. This green gemstone is suggested commonly to the natives of Gemini and Virgo.