Gray agate can be used for spiral-stairs

  Agate is polycrystalline, with glass and oil shiny surface, natural texture and smooth, gradient color brings strong sense level, distinct bands, while agate is one of the seven treasures of Buddhism,since ancient times treat as a talisman, amulet, a symbol of friendly love and hope, help to eliminate stress, fatigue, sewage and other negative energy,flexibility that will help business growth. strong financial resources.