It amplifies both positive and negative energies. It grounds spiritual energies onto the planet. An important protection stone. It guards against radiation of all kinds. The stone clears and activates the chakras and attunes to spiritual guidance. Placed on the third eye, it activates visualization and physic vision. On the heart, it brings balance and harmony. An extremely versatile healing stone. It is used for cramps. It has been called the midwife stone. Treats any sexual disease. Lowers blood pressure, treats asthma, arthritis, epilepsy, fractures, swollen joints, growth, travel sickness, vertigo, tumors, the optic nerve, pancreas, spleen and enhances the immune system. Stimulates the liver to release toxins, reducing acidification of tissues. It treats diabetes, when worn around the waist.