Serpentine is thought to help clear negative energy and promote positive vibes. As a stone of protection, 
Guard against psychic attacks.
Helpful stone for those who are recovering from illness or injury, as it is said to promote healing and vitality.
Great stone to use for meditation, as it is thought to help ground the user and keep them connected to the earth. It is also said to be helpful in releasing negative energy and promoting positive thoughts and emotions.
Serpentine Stone is a powerful kundalini activation stone. Helps to clear out and release the clouded/dense areas of all chakras and helps to raise the kundalini energy. 
It can be used to attract/manifest what you want into your life and brings abundance on all levels, prosperity, love, healing,