Types of Stones used for Building Construction

Stones used for building construction should be hard, durable, tough and free from any cracks and other defects. Many stones are available in the market like basalt, marble, limestone, sandstone, quartzite, travertine, slate, gneiss, laterite, and granite which can be used as construction materials. Basalt It is a very hard stone formed from the rapid cooling of magnesium-rich and iron-rich lava exposed at or very near the surface of a terrestrial planet or a moon. It is used as an aggregate in crushing form. This Crushed basalt is used for road base, concrete aggregate, asphalt pavement aggregate, railroad ballast, filter stone in drain fields, and may other purposes. It has strength of 200-350 MPa. Granite Granite is stain resistant and durable stone, it's wide and colours make most beautiful stone for a lifetime. Granite is used in buildings, bridges, paving, monuments and many other exterior projects. Indoors, polished granite slabs and tiles are us