Is sandstone a kind of limestone (limestone)?
Sand is not limestone, is a rock formed by the crust changes, there are many kinds of color, black and gray sandstone, sandstone, yellow sandstone, red sandstone, white sandstone, yellow wood sandstone, sandstone landscape pattern, we usually use the external walls of the villa or sand yellow wood sandstone 300 *600*20 thick plate, this special texture color clear, obvious, and the content of limestone is not so rich, the price is almost the same.
Sandstone is not a limestone, the main component of limestone is calcium carbonate, while the main component of sandstone is silica and alumina, and the hardness of sandstone is far from limestone, and is not suitable for building materials
Australia sandstone, India sandstone, Spanish sandstone and Chinese sandstone have been exploited in the world. Among them, the color, pattern, the most popular architectural designers are Australian sandstone. Australian sandstone is a kind of ecological and environmental protection stone. Its products have the characteristics of no pollution, no radiation, no reflection, no weathering, no color change, heat absorption, heat preservation and skid proof.
Sandstone is formed from quartz particles (sand) and is structurally stable, usually light brown or red, mainly consisting of silicon, calcium, clay, and iron oxides. Sandstone is a sedimentary rock, mainly cemented by sand grains, in which the sand content is greater than 50%. Most sandstone is composed of quartz or feldspar. The main ingredients A. quartz composition of more than 52%; B. clay about 15%; C. goethite about 18%; D. other substances more than 10%.
