Slate belongs to the sedimentary rock group (limestone). Different depths of rock and the admixture of other impurities such as copper, iron, manganese, nickel, and their metal oxides result in various colors. Slate is also known as limestone and is the most widely distributed rock in sedimentary formations, with deposits found throughout the country. Its main components include calcium carbonate, clay, silicon dioxide, and magnesium oxide.

Characteristics and Uses: Slate features anti-slip, wear-resistant, and corrosion-resistant properties, is odorless and radiation-free, making it an environmentally friendly building material for home decoration. It is commonly used for tiles, backdrop walls, and comes in various styles such as antique and countryside.