Slate is a fine grained metamorphic Stone(Shanxi Black) that is formed from clay, sedimentary rock shell, and sometimes quartz. Characteristically the rock may slit into relatively thinner Slabs(G636). Slates find application in interiors and exteriors. It is extremely beautiful and more cost effective than most other wall and floor coverings. It renders a very graceful, Natural(3 Stone) finish to any building or home. The usual colours of Slate(Stone Exporter) are copper, gold, multicolor, black, dark grey, greenish grey, copper and purplish grey. Sometimes colour changes do occur due to weathering. The harder varieties of Slate(Stone Exporter) are used for flooring. Slate mines are found in North and Southern part of India. They look beautiful when used as a roofing Slate(Stone Exporter)