Limestone is a common sedimentary rock consisting mostly of calcium carbonate, Caco3, Employed as a building stone and carbon dioxide, During production and cement, Of lime. Essentially a dolomite stone possessing oil, Resistant properties, Limestone shows high resistance in freezing and thawing conditions. In it serves, Most cases as limestone slabs, Limestone tiles vanity tops, In flooring, Wall cladding and to pave the floors of large commercial complexes, Hospitals, Airports, Shopping malls, Railway stations, Parks etcthe muted tones of limestone are an excellent fit for today s more casual and comfortable lifestyles. Generally these soft beiges either polished, And tans is appropriate, Or honed for bathrooms, Fireplaces, Counters and less, Traveled flooring where a more informal decor is desired. Limestones are sedimentary rocks that are formed found at the lower part of lakes as silt, And seas and organic matter settle to the bottom. As more and more layers build up over thousands and millions adding more, Of years and more weight, The heat and pressure cause chemical reactions to take place to harden the sediments into solid stone. The great sphinx of egypt is a masterpiece of sculpted limestone.