Granite stones have been used from times immemorial as structural element for public works and construction of every kind of building. These are used widely for fašades, paving and flooring. Granite plates have good temperature stability, resistant to corrosion, nonmagnetic and distortion free. These are harder than steel, non-magnetic, least responsive to temperature changes, practically maintenance free and won't corrode like steel. It weighs 234 lbs.