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Sandstone is a sedimentary rock, consisting of cemented grains of Quartz. Commonly found in gray, buff, red, or brown colors, Sandstone is formed deep within the ground, under a great amount of heat and pressure, which transforms small grains into a tough rock of tightly packed minerals.
The cementing material in sandstone is usually calcium carbonate, silica, or iron oxide. As there are plenty of varieties of Sandstone available on the market, they are differentiated on the basis of their variations in color, hardness, and texture—which in turn depends on the cementing material. Those which contain iron oxide exhibit red to reddish browns, while those with silica or calcite as the binding material generally are lighter in color—usually pale yellow, buff, or white. |
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A common mineral found in the earth's crust, Sandstone is available in large quantities along with most other sedimentary rocks. Sandstone can be crushed to form loose sand grains, which can be then used as sand in construction and other industries. Due to its variety of colors and textures, Sandstone enjoys a place in the semi-precious stone market. It is also used extensively in carvings and cut into spheres or oval forms.
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