Slate is a sedimentary rock, specifically limestone. Its various colors are formed due to different burial conditions of the rock and the admixture of metallic oxides such as copper, iron, manganese, and nickel. The scientific name for slate is limestone, which is the most widely distributed rock in sedimentary formations. It is produced throughout the country and primarily consists of calcium carbonate, along with clay, silicon dioxide, and magnesium oxide.

Characteristics and Uses: Grey slate features anti-slip, wear-resistant, and corrosion-resistant properties, is odorless and non-radioactive, making it an extremely eco-friendly building stone for home decoration. Grey slate is primarily used for tiles, backdrop walls, and comes in various styles such as antique and countryside.