Turquoise is a purification stone.  It dispels negative energy and can be worn to protect against outside influences or pollutants in the atmosphere.  Turquoise balances and aligns all the chakras, stabilising mood swings and instilling inner calm.  It is excellent for depression and exhaustion.  Turquoise promotes self-realisation and assists creative problem solving.  It is a symbol of friendship, and stimulates romantic love.