Shop for Agate Stone Slab Carved Keychain online today at low price. Agate is a translucent variety of microcrystalline quartz. It is used as a semiprecious stone when it is of desirable quality and color. Agate generally forms by the deposition of silica from groundwater in the cavities of igneous rocks. It cleanses and stabilises the aura, eliminating and transforming negativity. Agate enhances mental function, improving concentration, perception and analytical abilities. It soothes and calms, healing inner anger or tension and creates a sense of security and safety. Book an order today at Crystal Export.