10 Types of Stones Used for Building Constructions
This type of stone is used for minor construction since the presence of deleterious substances in its constituents makes it undesirable for building construction. However, hard varieties of gneiss stone may be employed in construction works. The compression strength varies from 50MPa to 200MPa. It has fine to coarse grains, and its color may be light grey, pink, purple, greenish gray and dark ...