Bloodstone is a deep green stone with small red patches. It grounds and protects and is associated with the root chakra. It is good for poor circulation, Lupus Disease, colds, flu, M.E., throat and bladder infections. It is said to be the stone of courage and is thought to be good for stress and anxiety. It is a stone thought to be helpful in the treatment of leukaemia as it removes toxins from the blood. Ancient times saw this stone as being one to banish evil.