Sand is loose particles of hard broken rock, it comprises of grains from disintegrated rock. The diameter of grains ranges between 0.06 and 2.0 mm in size and varies in shades of brown and orange in colour. Sand provides bulk, strength, and other properties to construction materials like asphalt and concrete. It is also used as a decorative material in landscaping. Specific types of sand are used in the manufacture of glass and as a moulding material for metal casting. Other sand is used as an abrasive in sandblasting and to make sandpaper. Sand is an significantly important material for the construction but this important material must be purchased with all care and vigilance. River Sand : This is generally gathered from the banks of the river. It has a fine quality unlike pit sand. This sand is usually whitish grey in color and has rounded particles. This sand is very much useful for the construction purpose such as plastering and so on.
