Black Tourmaline is a lovely grounding and protective stone. It is said to aid against feelings of panic and anxiety and protect against environmental pollutants like emfs. It is also said to balance the left and right hemispheres of the brain allowing for emotional and physical balance and increased concentration.
Selenite crystals shield you from outside influences through evoking protection from the angelic realm. It helps to dispel all negative energy from the body and mind, and thus brings calming energies, deep peace and mental clarity. Selenite emits negative ions which combats the positive ions electricity puts in our enviroment. Selenite also cleanses all your other stones.