Sandstone is formed by quartz grain and has stable structure.It is often hazel or red, the main content of silicon, calcium, clay and ferric oxide.Sandstone is a sedimentary,which cemented the particle content of sand should be greater than 50%.Most of the sandstone is composed by quartz or feldspar.Sandstone is the most widely used a building stone material.

Hundreds of years ago, sandstone adornment architecture is still elegent demeanor.Such as Notre Dame DE Paris, the Louvre palace, the congress of the United States, England, Harvard University,etc.Noble and elegant temperament of the sandstone and its hard texture in architectural history accomplished the world miracle one after another.In recent years,sandstone is highly praised by fashional designers and natural srchetecture.It is widely used in business and house decoration.