Extremely powerful & protective stone. Guards against psychic attack, transmuting the energy into love. Natural tranquilliser, blocks negative environmental energy. Strong healing & cleansing powers. Enhances spiritual awareness. Overcomes addictions & over-indulgences. Calms or stimulates the mind as appropriate. Helps you feel less scattered, more focused & in control. Helps insomnia. Setting realistic goals. Balances highs & lows.