4cm, 2.4g. The crystal balances and neutralizes earth radiation from pathogenic zones. It is very suitable for meditation, for self-knowledge and improvement, for strengthening spiritual power. It purifies both physically and mentally. It helps with heart diseases and intestinal problems. It conveys purity, peace and balance, banishes fatigue and states of exhaustion. It cleans the aura, removes energy blockages and impurities in the aura, helps remove negative energies from the body and receive positive energy.